{"title":"Foam Sprayer - solo","description":"\u003ch2\u003eSOLO foam sprayers: clingy foam, precise dosing – and finally no more fuss in the wash\u003c\/h2\u003e\n\u003cblockquote\u003e\n\u003cp\u003e\u003cem\u003eHow do you pick the right SOLO foam sprayer? Grab the size that fits (2\/4\/9 L) and the right seal (A for pH 1–7, B\/FB for pH 7–14), then dial the foam wetness in on your pre-wash job with VARIOfoam.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003eSOLO foam sprayers\u003c\/strong\u003e are what we at Detailing1 call the control centre of the pre-wash: you don't just slap cleaning foam on somehow, you lay it down exactly the way you need it – from dry\/clingy to wet\/gel-like, with no wild experiments on the dilution ratio. In this sub-category you'll only find the SOLO foam sprayers with varioFOAM foam adjustment – specifically the models 304 FA\/FB (2 litres), 333 FA (4 litres) and 309 FA\/FB (9 litres).\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eConsistent foam quality instead of “works today, not tomorrow”.\u003c\/strong\u003e The varioFOAM nozzle is built to vary the foam's wetness with a dial – even while you're working. That's worth its weight in gold when foam runs off faster on warm paint, or when you want more dwell time in cold weather.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChemistry match through the seals: A vs. B\/FB.\u003c\/strong\u003e SOLO splits the units by seal material and pH window: FKM for acidic cleaners (pH 1–7) and EPDM for neutral\/alkaline cleaners (pH 7–14). So you're not buying just “any” foamer, but the right one for your products.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eScales from “daily” to “big surface area”.\u003c\/strong\u003e 2 litres for a quick round, 4 litres with hose\/lance for comfortable work, 9 litres when you really want to cover ground – without constant refills and without chopping up your workflow.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003evarioFOAM foam nozzle and foam quality\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003evarioFOAM\u003c\/strong\u003e in day-to-day use is less a “feature” and more your lever for a repeatable process: you set the foam wetness to match the job. Dry, clingy foam grabs on longer and doesn't run straight off – ideal when you want maximum contact time on vertical panels, or when the grime film is more stubborn. Wetter, gel-like foam, on the other hand, can make sense when you need more wetting, want to work faster, or you notice that foam that's too dry pulls “crumbly streaks” and won't sit as an even sheet. The key thing: you don't have to keep fiddling with the mix, you change the foam character right on the unit – and while you're spraying, too. That's exactly the “on-the-fly” adjustment SOLO describes: a dial that lets you tweak the wetness even mid-job.\u003c\/p\u003e\n\u003cp\u003eFor car care workflows that means you can make the pre-wash far more repeatable. For example: on warm, dark paint in summer you'll happily reach for slightly clingier foam to cut down on quick run-off. In winter – when everything reacts slower and you often work in stages – a touch wetter foam can improve even wetting without you going “too wet”. And because we're talking hand foam sprayers here (not a foam lance on a pressure washer), dosing control matters even more: your foam has to sit, because you're using it deliberately as a step to loosen dirt with less contact – not as “show snow”.\u003c\/p\u003e\n\u003ch3\u003eFKM and EPDM seals and pH ranges in car care\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eFKM\u003c\/strong\u003e and EPDM aren't nerdy acronyms for detailers – they're the answer to a very real question: “Why does my sprayer last forever, or why does it suddenly go tired after a few weeks?” SOLO sorts the CLEANLine units clearly by seal material, and with it by typical chemistry profiles. FKM seals are meant for acidic cleaners in the low pH range (1–7); EPDM seals for neutral to alkaline media (7–14). You'll find exactly that logic back in the model names with us too: in this category the 304 comes as FA (pH 1–7) and FB (pH 7–14), the 309 as FA\/FB (pH 1–7 and 7–14 respectively), and the 333 as FA (pH 1–7).\u003c\/p\u003e\n\u003cp\u003eWhat does that mean in practice? If you work with an alkaline pre-wash, snow-foam pre-wash or a strong APC foam, you want the EPDM version (B\/FB). If instead you're using an acidic, foam-capable product (e.g. for special cleaning jobs), then the FKM version (A\/FA) is the clean pick. The A\/B labelling isn't random at SOLO, it's spelled out exactly that way: “B” is for use with bases\/alcohols in the pH 7–14 range, “A” for the correspondingly acidic uses – plus the typical material properties of the seals. Pro tip from day-to-day: whether A or B, rinse the bottle out with clean water after the job. Not a lecture, just a dead-simple investment in longevity: dried-in residue changes foaming and valve behaviour faster than you can say “why's this thing dripping?”\u003c\/p\u003e\n\u003ch3\u003eSOLO models 304 FA FB, 333 FA, 309 FA FB for pre-wash and big surfaces\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e304 FA\/FB\u003c\/strong\u003e is the sweet spot when you want to stay as flexible as possible: 2 litres, handy, quick to top up – and with the FA\/FB duo you cover exactly the chemistry split that comes up most in detailing (acidic vs. alkaline). In our category the 304 is listed as “CLEANLine ‘VARIOfoam’ (304 FA \/ FB) 2 litre foam sprayer” – including the note that the 304 FB is meant for alkaline (pH 7–14) and the 304 FA for acidic (pH 1–7). So if you switch between products a lot or want to keep different jobs cleanly separated (e.g. “foam pre-wash” vs. a special acidic foam), this is your clean way in.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e333 FA\u003c\/strong\u003e is the comfort option when you work longer stretches at a time: 4 litres of volume, plus hose and lance in the version we carry – that makes handling around the car noticeably more relaxed, because you're not constantly wrestling the bottle right up against the panel. At Detailing1 it's listed as “CLEANLine ‘VARIOfoam’ (333 FA) 4 litre foam sprayer with coil hose” and assigned to the acidic range (pH 1–7).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e309 FA\/FB\u003c\/strong\u003e is the big-area tool: 9 litres, for when you really cover ground – whether that's several cars, large bodywork, or simply a setup where refilling is your flow-killer number one. Here too the A\/FB split is stated directly with us (309 FA pH 1–7, 309 FB pH 7–14).\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e","products":[{"product_id":"solo-cleanline-vario-foam-304-fa-fb-2-liter-schaumsprueher","title":"solo CLEANLine \"VARIOfoam\" (304 FA \/ FB) — 2 Litre Foam Sprayer","description":"\u003ch2\u003eMore control, more dwell time, less stress: solo CLEANLine \"VARIOfoam\" (304 FA \/ FB) — 2 litre foam sprayer\u003c\/h2\u003e\n\u003cblockquote\u003e\n\u003cp\u003e\u003cem\u003eIf you want to dial in your cleaning foam exactly, the solo CLEANLine VARIOfoam 304 FA\/FB gives you stepless foam-grade adjustment, 3 bar working pressure and a 2-litre tank for even coverage and long dwell time – matched to the pH range of your cleaner.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003esolo CLEANLine \"VARIOfoam\" (304 FA \/ FB) — 2 litre foam sprayer\u003c\/strong\u003e is exactly the tool you grab when \"a bit of foam\" isn't enough and you want dwell time, cling and dosing in your hands like a pro. This is no toy foamer – it's a 2-litre foam pressure sprayer \"Made in Germany\" with patented VARIOfoam tech, 3 bar working pressure and chemical-resistant seals, built for consistent foam output instead of mood-of-the-day foam. And it's not just about how the foam looks, but what it does day-to-day: foam that stays put on vertical panels keeps lifting dirt longer, cuts down on mechanical abrasion (and with it your risk of wash marring) and makes your pre-wash far more controllable.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStepless foam grade, no swapping parts.\u003c\/strong\u003e You set the foam grade right at the nozzle with a dial – dry\/firm through to wetter\/gel-like, even while you work. That's worth its weight in gold, because every cleaner foams differently and every panel \"wants\" foam differently – and you don't have to unscrew a thing to get it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2 litres + 3 bar = longer, more even work intervals.\u003c\/strong\u003e On pre-wash, wheels or big panels, nothing's more annoying than constant refilling or foam that collapses after the first few bursts. With a 2 L tank and 3 bar working pressure you get longer intervals and a more stable foam picture.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFA or FB to match the pH range – so seals and performance line up.\u003c\/strong\u003e The 304 FA is built for acidic cleaners (pH 1–7), the 304 FB for alkaline cleaners (pH 7–14). That's not red tape, it's materials science: the right seal type stays fit longer when it works inside the chemistry window it was made for.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eSetting the foam grade: varioFOAM patented tech and flat-jet spray\u003c\/h3\u003e\n\u003cp\u003eThe heart of it is the \u003cstrong\u003evarioFOAM\u003c\/strong\u003e tech: a patented foam-adjustment unit right ahead of the nozzle that lets you fine-tune the foam grade steplessly – exactly where it counts, namely at the outlet. Instead of living with felt inserts, swapping nozzles or \"trial \u0026amp; error\", you turn the dial and see the structure change straight away: from dry and firm (maximum cling, maximum dwell time) to wetter and gel-like (more wetting, faster flow into edges, badges, gaps). It sounds like a gimmick, but day-to-day it's a real process lever: on smooth vertical panels you want the foam set so it doesn't run off straight away but clings for a long time – because that very dwell time does the chemical work and saves you mechanical friction. The maker calls this out as a clear plus: longer-clinging foam improves cleaning action, cuts mechanical cleaning work and can lower cleaner consumption.\u003c\/p\u003e\n\u003cp\u003eOn top of that, output runs through a special flat-jet nozzle: a flat jet spreads the foam more evenly across a surface than a \"spot\" spray pattern, and you get a clean, closed layer faster. That's the whole point with pre-wash and wheels: not \"lots of foam somewhere\", but \"even coverage everywhere\". And because you can adjust the foam grade while you work, you react straight to real life: in shade a product often foams differently than on warm paint; on matte plastics you sometimes want to work a bit wetter, on painted panels firmer; on bug-covered fronts it can be thicker, on big side panels more efficient. That's the difference between \"foam is fun\" and \"foam does the job\".\u003c\/p\u003e\n\u003cp\u003eIf you want to squeeze the most out of it, think of the foam sprayer as a dosing and contact-time tool: you build an even layer first, give it time to work, then rinse clean – instead of compensating right away with mitt and pressure. For us in detailing that's the elegant route: less risk, more repeatability, and in the end paint that looks less \"worked over\". And yes – it sounds obvious, but being able to steer the foam without taking anything apart is exactly what makes you actually do it – rather than getting fed up after the third re-rig and just carrying on \"somehow\".\u003c\/p\u003e\n\u003ch3\u003epH range 1–7 or 7–14: choosing FKM and EPDM seals right\u003c\/h3\u003e\n\u003cp\u003eThe first thing that decides between joy and frustration is this: \u003cstrong\u003epH range\u003c\/strong\u003e matches material. With the solo CLEANLine VARIOfoam you get two versions you pick by chemistry, not by gut feel: the 304 FA is built for acidic cleaners in the pH 1–7 range (FKM seal), the 304 FB for alkaline cleaners pH 7–14 (EPDM seal). That's exactly how it's listed in the technical data, including 3 bar spray pressure and 2 L fill volume.\u003c\/p\u003e\n\u003cp\u003eWhy it matters: a \"seal\" isn't sexy, but it's the part that decides whether a pressure sprayer runs butter-smooth after a few jobs or suddenly gets stiff, weeps or loses pressure. EPDM often goes where water, steam and lots of water-based chemicals are in play; FKM (often known as Viton®) tends to get picked for higher chemical load, temperature or certain media. Day-to-day that doesn't mean \"one is always better\", it means \"one is the right fit\". That's exactly why SOLO splits the versions by pH window: so your tool stays durable and tight inside its intended chemistry range.\u003c\/p\u003e\n\u003cp\u003eFor car detailing it translates simply: if you work a lot with acidic foams (say for mineral deposits or special jobs), grab the FA. If you mostly run alkaline foams\/degreasers (typical for greasy road film, workshop grime, heavy pre-cleaning), grab the FB. And if you're thinking \"I'll just take one and do everything\" – sure, plenty do, but that's exactly where the classic problems show up: foam goes inconsistent, seals age faster, and you've got a pro tool that suddenly feels like a throwaway sprayer. Pick to match, and the system stays stable: fast pressure build-up, repeatable foam picture, fewer surprises.\u003c\/p\u003e\n\u003cp\u003eExtra bonus: the 304 comes with 2 litres as the \"bigger\" generation and, per the product info, replaces the popular smaller 1-litre versions (303 FA\/FB). Meaning: you get the exact same thinking (pH window + foam control), just with more reach per fill – which simply makes sense for vehicle pre-wash and several cars a day.\u003c\/p\u003e\n\u003ch3\u003eVehicle pre-wash, wheel cleaning: results and best practice in detailing\u003c\/h3\u003e\n\u003cp\u003eIf you want to play the \u003cstrong\u003evehicle pre-wash\u003c\/strong\u003e part right, foam isn't a show effect but \"contact time on paint\" – and that's exactly what the solo CLEANLine VARIOfoam (304 FA\/FB) is built for: you lay down a homogeneous foam layer that clings longer on smooth, vertical panels and can therefore work longer. The maker describes it as a clear benefit: longer dwell time improves cleaning action, cuts mechanical cleaning work and can let you use more neutral chemistry; lower aerosol formation is also named as a plus. For us in car care the key point: the more dirt you dissolve chemically and with time, the less you have to \"push away\" later with the wash mitt – and that's exactly the lever against wash marks.\u003c\/p\u003e\n\u003cp\u003eWith wheels the principle is similar, but the surface is more complex: spokes, edges, bolt holes – everywhere the foam can be either too dry (sits nicely but wets poorly) or too wet (runs straight off). Here the varioFOAM adjustment is your trump card: you set it so the foam clings at critical spots but has enough \"wetness\" to creep into the geometry. And because you can re-tune while you work, you adapt: warm wheel vs cold wheel, polished face vs rough casting, light soiling vs baked-on film. You don't have to overdose just because your application is uneven – you make it even.\u003c\/p\u003e\n\u003cp\u003eAnother practical sweet spot: interior and textile surfaces, when you deliberately want to work with foam instead of \"wet soup\". The product info explicitly names moisture-sensitive surfaces like carpets and textile surfaces as a suitable application, because foam holds the moisture more on the surface and \"soaks through\" less. In detailing that's a classic pro move: controlled chemistry on the surface, then take it up\/extract cleanly, rather than flooding everything. Important: here too the setting decides – too dry can reduce wetting, too wet becomes \"water work\" again. Which is exactly why stepless re-tuning is worth so much.\u003c\/p\u003e\n\u003cp\u003eTo get genuinely premium results with the foam sprayer, think about three things – without checklist overload: first, your cleaner has to be foam-capable (sounds obvious, but it's the most common reason for disappointing \"foam\"). Second, even coverage matters more than maximum foam height: a calm, closed film works better than \"peaks and valleys\". Third: let time work for you. Foam is there to extend dwell time; if you panic-rinse after ten seconds, you throw away the whole advantage. And because at Detailing1 we don't just sell but love processes: combine the foamer smartly with your wash routine. After pre-wash you want a really good \u003ca href=\"\/en\/collections\/autoshampoo\"\u003ecar shampoo with high slickness\u003c\/a\u003e, because the remaining dirt then comes off the paint more easily and safely. When you dry after rinsing, a \u003ca href=\"\/en\/collections\/trockentuecher\"\u003ehigh-pile drying towel\u003c\/a\u003e makes the difference, because it soaks up water fast without \"pushing\". And on wheels a \u003ca href=\"\/en\/collections\/felgenreinigung\"\u003ematching wheel cleaner\u003c\/a\u003e plus brush is still the combo that turns \"clean\" into \"detailing-clean\" – with the foam application as your controlled starting point.\u003c\/p\u003e\n\u003cp\u003eBottom line, the solo CLEANLine VARIOfoam 304 isn't just \"a foam sprayer\", it's a tool that gives you process control: foam structure, dwell time and chemistry compatibility are definable instead of random. That's exactly what high-end detailing feels like: you decide the result – not the accessory.\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"solo","offers":[{"title":"2 liters \/ Acid (pH 1-7) 304 FA","offer_id":56936685142351,"sku":"D1-SOL-30431","price":25.35,"currency_code":"EUR","in_stock":true},{"title":"2 liters \/ Alkaline (pH 7-14) 304 FB","offer_id":56936685175119,"sku":"D1-SOL-30432","price":25.35,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/3272\/7375\/files\/solo-cleanline-vario-foam-304-fa-2-liter-schaumsprueher.png?v=1769813735"},{"product_id":"solo-cleanline-variofoam-333-fa-4-liter-schaumsprueher","title":"CLEANLine \"VARIOfoam\" (333 FA) 4-Litre Foam Sprayer with Coiled Hose","description":"\u003ch2\u003eMore cling, more control, less hassle: the solo CLEANLine \"VARIOfoam\" (333 FA) as a pro foam sprayer with coiled hose\u003c\/h2\u003e\n\u003cblockquote\u003e\n\u003cp\u003e\u003cem\u003eThe solo CLEANLine „VARIOfoam“ (333 FA) is a 4-litre foam sprayer with 3 bar working pressure and an adjustable varioFOAM nozzle, letting you dial your cleaning foam from dry-and-clingy to gel-like-wet mid-spray – spot on for pre-wash and wheels.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003esolo CLEANLine \"VARIOfoam\" (333 FA) — foam sprayer with coiled hose\u003c\/strong\u003e is exactly the tool you want when you don’t just want “some foam” on the pre-wash, but a repeatable, clean layer of foam that actually stays put on vertical panels. The 333 FA is a compact, rugged foamer “made in Germany” with 4.0 litres nominal volume, 3 bar working pressure and chemical-resistant FKM seals – built for proper cleaning foam, not hobby puffing.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003evarioFOAM control instead of foam lottery\u003c\/strong\u003e – The dial on the nozzle lets you fine-tune how thick the foam gets, even while you’re spraying. That’s gold when you want to switch between “thick carpet for long dwell time” and “wet foam for quick wetting” – no unscrewing, no refitting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4 litres of reach for real surface area\u003c\/strong\u003e – With 4.0 L nominal volume, a 1.4 m hose plus a 40 cm wand, you get round the car in comfort, reach the sills and the front end, and work cleanly in passes. On pre-wash and wheels especially, “not refilling every five minutes” is the difference between relaxed and fed up.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFKM seals for demanding chemistry\u003c\/strong\u003e – SOLO rates it for foaming, acidic cleaners in the pH 1–7 range; at the same time the 333 FA is listed for neutral as well as strongly acidic and mildly alkaline cleaners. For you that means plenty of headroom – but always dose and test to your chemical maker’s spec.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003ePre-wash foam sprayer with varioFOAM – why the foam consistency is everything in detailing\u003c\/h3\u003e\n\u003cp\u003eFor the pre-wash, what matters isn’t that it turns “white” – it’s how the foam works. At its core it’s about contact time, wetting and controlled run-off: a clingy, drier foam stays longer on paint and plastic, so the surfactants have time to break down road film. A wetter, gel-like foam wets faster and flows more evenly into contours, badges and gaps – perfect when you want to cover ground quickly. This is exactly where \u003cstrong\u003evarioFOAM\u003c\/strong\u003e shows its strength: you turn the dial right on the nozzle and change “dryness” and density mid-spray, without stripping anything down. Day-to-day that’s not just handy, it gets you repeatable results, because you can trim your setup to the product, temperature and how dirty the car is.\u003c\/p\u003e\n\u003cp\u003eOn the technical side that’s genuinely nice for paint safety: when the pre-wash foam clings evenly, you cut the need for mechanical “emergency rubbing” in that first round – the exact moment when grit is still at its most aggressive. That lowers the risk of picking up fine wash marks on the mitt pass that follows, because you’ve already loosened and rinsed off more dirt beforehand. And because the 333 FA works at 3 bar, the foam comes off the nozzle consistently instead of collapsing after the first few bursts. The combo of a 4-litre tank, piston pump and the SOLO special flat-jet nozzle is made to deliver “surface” – bonnet, doors, rear in one clean flow.\u003c\/p\u003e\n\u003cp\u003eIf you run the 333 FA with us as a set with coiled-hose handling, the practical win is simple: less hose spaghetti round the wheels, less tugging on the unit and more control as you work your way round the car. And that control is the difference between “foam on somehow” and “foam on so it works for you.” Fitting with that, our tip from day-to-day: pair the foamer with a proper pre-wash setup, e.g. a matching \u003ca href=\"https:\/\/detailing1.de\/vorwaesche\/\"\u003epre-wash cleaner for road film\u003c\/a\u003e and – if you want it as safe as it gets – a \u003ca href=\"https:\/\/detailing1.de\/waschzubehoer\/\"\u003egentle wash mitt setup\u003c\/a\u003e for the contact wash after.\u003c\/p\u003e\n\u003ch3\u003eWheel cleaning, pH range and FKM seals – how to use the 333 FA cleanly and without harming materials\u003c\/h3\u003e\n\u003cp\u003eOn wheels especially, foam isn’t just show, it’s strategy: brake dust and film like to sit in edges, around wheel bolts and in the barrel. Work there with a well-set foam and the chemistry stays where the action is instead of running straight off. So first things first: \u003cstrong\u003eFKM seals\u003c\/strong\u003e are a real-world plus here, because they’re built for more demanding cleaners. SOLO describes it as suited to foaming, acidic cleaners in the pH 1–7 range; the product info also lists use with neutral, strongly acidic and mildly alkaline cleaners. For you that means you can use the 333 FA very broadly – but you should always dilute the chemistry to spec, not “freehand by feel,” and test on an inconspicuous spot if in doubt.\u003c\/p\u003e\n\u003cp\u003eHere’s what a clean day-to-day routine looks like, without getting lost in a thousand steps: mix your foaming cleaner in the tank, pump up pressure (by hand via the piston pump) and set varioFOAM to “wet” at first, so you get wetting everywhere fast. Then dial to “clingier” once the surface is wet – the foam grips better and dwell time goes up. That switch mid-spray is exactly where the 333 FA shows its pro character: you adjust the foam structure instead of constantly changing your product or your technique. And with a 1.4 m hose plus a 40 cm wand you reach the wheels and the edges of the arches.\u003c\/p\u003e\n\u003cp\u003eIf you’re working in a business (or just like being efficient), the optional compressed-air valve is interesting: it lets you build pressure without hand-pumping – handy for longer stints with a steady spray pattern. SOLO lists this accessory as a compressed-air connection valve with FKM seals and an integrated (automatic) pressure-relief valve. For us it’s the kind of upgrade you don’t “need” – but after the first long Saturday you suddenly can’t do without it.\u003c\/p\u003e\n\u003cp\u003eA fitting combo from our range: for wheels it makes sense to pair the foam with a targeted \u003ca href=\"https:\/\/detailing1.de\/felgenreinigung\/\"\u003ewheel cleaner setup\u003c\/a\u003e and not forget the drying after – a good \u003ca href=\"https:\/\/detailing1.de\/trockentuecher\/\"\u003edrying towel\u003c\/a\u003e stops water spots and gets the finish to “done” faster.\u003c\/p\u003e\n\u003ch3\u003eFoam cling on vertical panels – dwell time, results and the typical mistakes with a foam sprayer\u003c\/h3\u003e\n\u003cp\u003eThe reason we love foam in the first place: on smooth, vertical panels a well-set foam can cling longer and so dwell longer – and that’s exactly what improves the cleaning without you having to reach straight for the brush. The product info spells this out for car cleaning and other vertical, smooth surfaces: more cling means more time for the chemistry, less mechanical work and easier working on sensitive surfaces. That’s not “marketing haze,” it’s simply physics plus chemistry: the more even the foam layer, the more even the surfactant work.\u003c\/p\u003e\n\u003cp\u003eThe typical mistakes nearly always happen in two places: mix and setting. Mixed too thin and it’s “wet, runs straight off” – then you need more product or more mechanical help. Mixed too thick can look spectacular, but doesn’t necessarily clean better, because the wetting suffers and you end up fighting residue. So the varioFOAM setting is your fine-tuning tool: first make sure the surface wets cleanly, then go for more cling when you want contact time. And one more pro note from day-to-day: if the foam layer suddenly “flips” (goes watery all at once), it’s often not the unit but the pressure cushion. Pump it back up or – if you want it comfy – use the compressed-air setup, and the spray pattern stays steadier.\u003c\/p\u003e\n\u003cp\u003eWhat makes the 333 FA so pleasant in our detailing world is its clear focus on foam: 3 bar working pressure, rugged handling and the patented varioFOAM adjustment. That’s not a gimmick, it makes you faster, cleaner and more consistent. And consistent is the real luxury in detailing: same foam layer, same dwell time, same results.\u003c\/p\u003e","brand":"solo","offers":[{"title":"4 liters \/ Acid (pH 1-7) 333 FA","offer_id":56938257285455,"sku":"D1-SOL-33331","price":54.52,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/3272\/7375\/files\/solo-cleanline-variofoam-333-fa-4-liter-schaumsprueher-spiralschlauch_1.png?v=1769851497"},{"product_id":"solo-cleanline-variofoam-309-fa-fb-9-liter-schaumsprueher","title":"CLEANLine \"VARIOfoam\" (309 FA \/ FB) 9 Litre Foam Sprayer","description":"\u003ch2\u003eMaximum foam control: solo CLEANLine \"VARIOfoam\" (309 FA \/ FB) — 9 litre foam sprayer\u003c\/h2\u003e\n\u003cblockquote\u003e\n\u003cp\u003e\u003cem\u003eThe 9 litre solo CLEANLine VARIOfoam foam sprayer builds stable cleaning foam by hand pump and dials infinitely from „dry and clingy“ to „wet and gel-like“ via varioFOAM – spot on for pre-wash, wheels and big panels.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003esolo CLEANLine \"VARIOfoam\" (309 FA \/ FB) — 9 litre foam sprayer\u003c\/strong\u003e is your tool for when you don’t want foam „some way or other“, but exactly the way the surface needs it: clinging, controlled and repeatable. With car care in particular (pre-wash, wheel cleaning) that’s what separates a „foam show“ from real cleaning power – because foam dialled in right sits on the panel longer and gives the cleaner time to do its job. The CLEANLine foamers are built for professional cleaning duty and pair 9 litres of tank volume with 3 bar working pressure and chemical-resistant parts like FKM seals.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003evarioFOAM = foam to spec, not foam by luck.\u003c\/strong\u003e A dial right in front of the nozzle lets you set the foaming level infinitely – even while you’re spraying. So you switch in seconds from clingy\/dry (maximum grip) to wetter\/gel-like (more flow), without unscrewing a thing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e9 litres + 3 bar, big panels without the grind.\u003c\/strong\u003e The large-volume pump builds working pressure efficiently, lays down a clean foam pattern and keeps you working longer – perfect when you don’t fancy pumping again after every second wing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePro-grade materials for chemistry that means business.\u003c\/strong\u003e A UV-resistant polyethylene tank, an automatic safety-valve safeguard and FKM seals (chemically tough) are built to work with foaming neutral and acidic cleaners – from everyday flash rust and limescale right through to vehicle pre-wash.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eVARIOfoam foam sprayer with infinitely adjustable foaming level for clingy cleaning foam\u003c\/h3\u003e\n\u003cp\u003eWhen foam „doesn’t work“ day-to-day, it’s rarely the cleaner’s fault – usually it’s the wrong foaming level. That’s exactly where \u003cstrong\u003evarioFOAM\u003c\/strong\u003e plays its trump card: you don’t just set the foam roughly once, you fine-tune it as you go. The dial sits right in front of the nozzle so you can tweak the foam character in real time: drier and clingier when you want maximum grip on smooth, vertical panels (read: longer dwell time), or wetter\/gel-like when you need more flow to wet contours, swage lines, badges and awkward nooks evenly.\u003c\/p\u003e\n\u003cp\u003eIn car care that’s worth its weight in gold: on a pre-wash you typically want foam that doesn’t run straight off, so the dirt can loosen before you go in mechanically. That lowers the risk of dragging grit „dry“ across the paint – not because the foam works magic, but because you give it the time to break down the dirt layer. And on wheels? There you often want it a touch „wetter“, so the foam creeps into the spoke beds and wets the surface evenly, instead of just clinging decoratively as a cloud on the outside. That control is exactly the difference between „foam looks good“ and „foam works well“.\u003c\/p\u003e\n\u003cp\u003eWhat matters just as much is what you \u003cem\u003edon’t\u003c\/em\u003e have to do: no unscrewing the nozzle, no conversion, no fiddling. That’s not just convenient, it makes the process repeatable – you find your setting, remember it, and hit it again next time. And because the foam sits on the surface longer when set right, you typically cut down on aggressive scrubbing. The upshot is a workflow that feels more like a pro routine than trial and error.\u003c\/p\u003e\n\u003ch3\u003eVehicle pre-wash and wheel cleaning with 9 litre CLEANLine foamer, 3 bar and FKM seals\u003c\/h3\u003e\n\u003cp\u003eWhat counts day-to-day: how comfortably the unit works across a whole car – and how cleanly you get the chemistry where it needs to act. The 309 FA is built as a large foamer with an extremely tough, UV-resistant polyethylene tank and brings 9 litres of nominal volume. The wide filler opening lets you pour cleaner in easily; a fill-level mark helps you dose without playing „ballpark“. The large-volume pump is built to build a working pressure of 3 bar efficiently. In car care that means an even foam pattern and longer working stretches, without topping up the pressure every few minutes.\u003c\/p\u003e\n\u003cp\u003eThe spray lance on the 309 FA is a 50 cm plastic tube (non-corrosive) and the hose runs 1.4 m – sounds like „small numbers“, but it makes a big difference to handling: you work your way round the front, sills and rear in control, without forcing yourself into awkward angles all the time.\u003c\/p\u003e\n\u003cp\u003eOn chemical compatibility, without the marketing fog: the system suits foaming neutral and acidic cleaners and is described, among other things, for limescale residue\/urine stone, flash rust and laying down acidic cleaning foams; on top of that, suitability for car care, vehicle pre-wash and wheel cleaning is named explicitly. The technical heart of it is the chemical-resistant components – the FKM seals in particular – plus a nozzle setup built for foam delivery (a special flat-jet nozzle).\u003c\/p\u003e\n\u003cp\u003eWhat does that mean for you in the detailing day-to-day? You can build your pre-wash so the foam doesn’t just „sit on top“, but wets the surface evenly and clings. After that you carry on – depending on your setup with a pressure washer, rinseless pre-soak or hand wash. And when you tackle big surfaces (shop, fleet, campers, off-road rigs) you’ll love the optional accessory options: there’s a wheel set with a handle so you can roll it instead of lugging it, and a compressed-air valve to build the pressure externally – both are provided as optional accessories. Translation: less hauling, more rhythm in the workflow.\u003c\/p\u003e\n\u003ch3\u003eCleaning foam on vertical surfaces: dwell time, cleaning power and typical use cases\u003c\/h3\u003e\n\u003cp\u003eA good foamer is at heart a „time manager“ for chemistry. The decisive lever is dwell time: on smooth, vertical surfaces a foam that’s too wet runs straight off – the active ingredients are gone before they work. An optimally set, clingy foam holds on longer, can dwell longer and so improves cleaning power. The product description addresses exactly this benefit: longer cling, better performance and less mechanical cleaning work.\u003c\/p\u003e\n\u003cp\u003eTypical use cases aren’t just paint and wheels, but anything that benefits from controlled, clinging foam: sill areas, door entries, door shuts (dosed carefully), plastic add-on parts – and textile surfaces and carpets are named as suitable too. Which brings us to the next practical point: a clean foam application usually also means less needless overspray in the room, because you’re not „working into the air“ with the finest mist, but with foam that goes where you need it.\u003c\/p\u003e\n\u003cp\u003eWhat many underrate: the combination of 9 litre volume, 3 bar working pressure and infinitely variable foam control doesn’t just make the system „stronger“, but above all more consistent. Consistency is quality in detailing: you want your foam to react on the first panel just like it does on the last. That cuts mistakes (too short a dwell time, too wet an application, too much product), saves the nerves and delivers repeatable results.\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"solo","offers":[{"title":"9 liters \/ Acid (pH 1-7) 309 FA","offer_id":56938291790159,"sku":"D1-SOL-30931","price":74.8,"currency_code":"EUR","in_stock":true},{"title":"9 liters \/ Alkaline (pH 7-14) 309 FB","offer_id":56938291757391,"sku":"D1-SOL-30932","price":74.8,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/3272\/7375\/files\/solo-cleanline-variofoam-309-fb-9-liter-schaumsprueher.png?v=1769852728"}],"url":"https:\/\/detailing1.fr\/en\/collections\/solo-schaumsprueher.oembed","provider":"Detailing1","version":"1.0","type":"link"}