{"product_id":"karcher-fj6-foam-cannon-for-k1-k5-pressure-washers-20-oz-tank-adjustable-dosing-spray","title":"KÄRCHER FJ6 Foam Cannon for K1–K5 Pressure Washers — 20 oz Tank, Adjustable Dosing \u0026 Spray","description":"\u003cp\u003e\u003cstrong\u003eThe Kärcher FJ6 Foam Cannon converts compatible Kärcher electric pressure washers into a thick, clinging foam sprayer for easier vehicle and outdoor surface cleaning.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eDesigned for home users who want faster, more effective pre-wash coverage, the FJ6 attaches directly to the trigger gun of Kärcher K1–K5 electric models and delivers a dense detergent blanket that loosens dirt and grime before rinsing. The onboard dosing dial and adjustable jet let you control foam thickness and flow, while the generously sized 20-ounce reservoir reduces refill frequency during multi-vehicle or larger surface jobs.\u003c\/p\u003e\n\n\u003ch3\u003eHow do I set up the FJ6 with my Kärcher pressure washer?\u003c\/h3\u003e\n\u003cp\u003eSetup is straightforward: fill the tank with compatible detergent (dilute if concentrated), attach the foam cannon to the Karcher trigger gun, then adjust the yellow dosing dial and spray pattern to suit the job. If your electric unit predates 2010, a separate Adapter M may be required.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFill tank with Kärcher detergent; add water for concentrates\u003c\/li\u003e\n  \u003cli\u003ePush foam cannon onto the trigger gun connection of K1–K5 models\u003c\/li\u003e\n  \u003cli\u003eTurn the yellow dial to set detergent dose\u003c\/li\u003e\n  \u003cli\u003eTwist nozzle to change jet width and foam density\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat surfaces and vehicles can the foam cannon clean effectively?\u003c\/h3\u003e\n\u003cp\u003eThe FJ6 is versatile — ideal for cars, motorcycles, bicycles, RVs and patio furniture, plus many hard exterior surfaces. Use foam as a pre-soak on painted surfaces, siding, patios and driveways to help lift dirt before hand-washing or pressure rinsing.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCars, trucks, motorcycles and bicycles\u003c\/li\u003e\n  \u003cli\u003eRV exteriors and camper surfaces\u003c\/li\u003e\n  \u003cli\u003eGarden furniture, patios, walls, paths and driveways\u003c\/li\u003e\n  \u003cli\u003eHouse siding and stairways for light to moderate grime\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich Kärcher machines are compatible and what are the limitations?\u003c\/h3\u003e\n\u003cp\u003eThe FJ6 is made for Kärcher electric pressure washer models K1 through K5. It does not work with older unadapted units or with certain compact or gas models; specifically, K1700–K2300 electric and all gas pressure washers are not compatible.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible: Kärcher K1, K2, K3, K4, K5 electric washers\u003c\/li\u003e\n  \u003cli\u003eNot compatible: Kärcher K1700–K2300 electric and gas pressure washers\u003c\/li\u003e\n  \u003cli\u003eOlder electric models (pre-2010) may need Adapter M (part 2.643-950.0)\u003c\/li\u003e\n  \u003cli\u003eSimple mechanical attachment—no electrical connections required\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I control foam thickness and detergent use to avoid waste?\u003c\/h3\u003e\n\u003cp\u003eThe FJ6 has two user controls: a yellow dosing dial for detergent concentration and a nozzle adjustment for the spray\/jet level. These let you fine-tune foam output so you use only the amount needed for the task, saving detergent and avoiding runoff.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTurn the yellow dial to increase or decrease detergent feed\u003c\/li\u003e\n  \u003cli\u003eAdjust nozzle angle for broader coverage or targeted jets\u003c\/li\u003e\n  \u003cli\u003eUse diluted detergent when recommended to reduce residue\u003c\/li\u003e\n  \u003cli\u003eRinse thoroughly after foaming to remove cleaning agents\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? The Kärcher FJ6 Foam Cannon is aimed at homeowners and enthusiasts who own a compatible Kärcher K1–K5 electric pressure washer and want a quicker, more even way to apply cleaning detergent. It suits people who wash multiple vehicles, tackle outdoor furniture and hardscaping, or who prefer a foaming pre-wash step to help reduce scrubbing time. If you have an incompatible Kärcher model or rely on a gas-powered washer, choose a different foam attachment designed for that system.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will the FJ6 fit my Kärcher K3 pressure washer?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the FJ6 is compatible with Kärcher K1–K5 electric pressure washers without extra adapters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How much detergent does the FJ6 tank hold?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The FJ6 reservoir holds approximately 20 ounces, reducing refill frequency for larger jobs.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"KÄRCHER","offers":[{"title":"Default Title","offer_id":56832408060244,"sku":"B00HH9QI1C","price":69.16,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/2652\/4244\/files\/karcher-fj6-front-view-foam-cannon.jpg?v=1787028757","url":"https:\/\/gardenluxe.co.uk\/products\/karcher-fj6-foam-cannon-for-k1-k5-pressure-washers-20-oz-tank-adjustable-dosing-spray","provider":"Gardenluxe Uk","version":"1.0","type":"link"}