{"product_id":"marksman-knapsack-pressure-sprayer","title":"Marksman Knapsack Pressure Sprayer – Backpack Garden Sprayer","description":"\u003ch2\u003eA Full Tank on Your Back for Treating a Whole Growing Space in One Fill\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eMarksman Knapsack Pressure Sprayer\u003c\/strong\u003e carries a \u003cstrong\u003e12 or 16 litre tank\u003c\/strong\u003e on a shoulder strap, so you can treat a greenhouse, polytunnel, grow room or garden without stopping to refill a hand bottle. A \u003cstrong\u003edouble-capacity plunger pump\u003c\/strong\u003e builds pressure by hand, with no batteries to charge, and the \u003cstrong\u003eadjustable spray lance\u003c\/strong\u003e with \u003cstrong\u003eadjustable flow rate\u003c\/strong\u003e takes you from a \u003cstrong\u003efine mist\u003c\/strong\u003e for foliar feeds to a directed \u003cstrong\u003ejet\u003c\/strong\u003e for spot treatments. A \u003cstrong\u003elocking trigger\u003c\/strong\u003e holds it open for continuous spraying, a \u003cstrong\u003equick-release strap\u003c\/strong\u003e and carry handle make it easy to put on and move when full, and the \u003cstrong\u003elarge filler with an integrated filter\u003c\/strong\u003e keeps debris out of the pump and nozzle. It suits most garden liquid chemicals, foliar feeds and plain water.\u003c\/p\u003e\n\u003ch3\u003eKey Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e12 or 16 litre capacity\u003c\/strong\u003e — fewer refills when treating larger areas.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDouble-capacity plunger pump\u003c\/strong\u003e — builds working pressure quickly by hand.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable lance and flow rate\u003c\/strong\u003e — fine mist for foliar feeds, jet setting for spot treatments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLocking trigger\u003c\/strong\u003e — continuous spraying without holding the trigger down.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuick-release strap and carry handle\u003c\/strong\u003e — easy to put on, take off and carry when full.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLarge filler with integrated filter\u003c\/strong\u003e — easy to fill and helps stop the nozzle blocking.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eUneven Coverage and Constant Refilling\u003c\/h3\u003e\n\u003cp\u003eTreating a full greenhouse or a row of beds with a one or two litre hand sprayer means constant refills, aching hands and patchy coverage where the pressure drops between pumps. A knapsack spreads the weight across your back, holds pressure for longer and lets you work along the crop at a steady pace, so foliar feeds and treatments go on evenly, including the undersides of the leaves.\u003c\/p\u003e\n\u003ch3\u003eHow to Use\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMix first:\u003c\/strong\u003e dilute concentrates as the product label directs, then pour through the filter in the filler opening.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePressurise:\u003c\/strong\u003e close the lid and work the plunger pump handle until you feel firm resistance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSet the spray:\u003c\/strong\u003e adjust the lance and flow rate to suit the job; use the trigger lock for long runs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBefore refilling:\u003c\/strong\u003e spray out or let off the remaining pressure before opening the tank fully.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAfter use:\u003c\/strong\u003e rinse the tank and spray clean water through the lance; keep one sprayer for treatments and another for feeds if you use both.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtect yourself:\u003c\/strong\u003e wear gloves and follow the safety directions of whatever product you spray.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"hcs-specs\"\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCapacity:\u003c\/strong\u003e 12 litres or 16 litres\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePump:\u003c\/strong\u003e Double-capacity plunger pump, manual\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLance:\u003c\/strong\u003e Adjustable spray lance with adjustable flow rate; fine mist and jet settings\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrigger:\u003c\/strong\u003e Locking trigger for continuous spraying\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFilling:\u003c\/strong\u003e Large filler opening with integrated filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCarrying:\u003c\/strong\u003e Shoulder strap with quick release; carry handle\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuitable for:\u003c\/strong\u003e Most garden liquid chemicals, foliar feeds and water\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePacked weight:\u003c\/strong\u003e 2.45 kg (12 litre); 2.85 kg (16 litre)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Marksman Garden \u0026amp; Outdoor\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003ch3\u003eWorks Well With\u003c\/h3\u003e\n\u003cdiv class=\"hcs-related\" style=\"display:flex;flex-wrap:wrap;gap:10px;margin:12px 0 0;\"\u003e\n\u003ca href=\"\/products\/titan-grip-diamond-textured-black-nitrile-gloves-box-of-50\" style=\"flex:1 1 240px;display:flex;align-items:center;gap:12px;padding:10px 12px;border:1px solid #e6e6e6;border-radius:8px;text-decoration:none;color:inherit;background:#fff;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0748\/7127\/5786\/files\/Diamond-nitre-gloves.png?v=1768309856\u0026amp;width=160\" alt=\"Titan Grip Diamond Textured Black Nitrile Gloves\" width=\"64\" height=\"64\" loading=\"lazy\" style=\"width:64px;height:64px;object-fit:contain;flex:none;\"\u003e\u003cspan style=\"font-size:14px;line-height:1.4;\"\u003e\u003cstrong style=\"display:block;\"\u003eTitan Grip Diamond Textured Black Nitrile Gloves\u003c\/strong\u003e\u003cspan style=\"color:#008d37;\"\u003eHand protection when spraying treatments\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\n\u003ca href=\"\/products\/measuring-jugs-cups\" style=\"flex:1 1 240px;display:flex;align-items:center;gap:12px;padding:10px 12px;border:1px solid #e6e6e6;border-radius:8px;text-decoration:none;color:inherit;background:#fff;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0748\/7127\/5786\/files\/1L-measuring-Jug-medium_landscape.jpg?v=1746904753\u0026amp;width=160\" alt=\"Measuring Jugs \u0026amp; Cups\" width=\"64\" height=\"64\" loading=\"lazy\" style=\"width:64px;height:64px;object-fit:contain;flex:none;\"\u003e\u003cspan style=\"font-size:14px;line-height:1.4;\"\u003e\u003cstrong style=\"display:block;\"\u003eMeasuring Jugs \u0026amp; Cups\u003c\/strong\u003e\u003cspan style=\"color:#008d37;\"\u003eMeasures concentrates before they go in\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\n\u003ca href=\"\/products\/sb-plant-invigorator\" style=\"flex:1 1 240px;display:flex;align-items:center;gap:12px;padding:10px 12px;border:1px solid #e6e6e6;border-radius:8px;text-decoration:none;color:inherit;background:#fff;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0748\/7127\/5786\/files\/sb-invigorator-2-medium_landscape.jpg?v=1746904931\u0026amp;width=160\" alt=\"SB Plant Invigorator\" width=\"64\" height=\"64\" loading=\"lazy\" style=\"width:64px;height:64px;object-fit:contain;flex:none;\"\u003e\u003cspan style=\"font-size:14px;line-height:1.4;\"\u003e\u003cstrong style=\"display:block;\"\u003eSB Plant Invigorator\u003c\/strong\u003e\u003cspan style=\"color:#008d37;\"\u003eA spray-on pest control and foliar feed\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/div\u003e","brand":"Marksman","offers":[{"title":"12L","offer_id":53931040014602,"sku":"TLS-WOOD-002-01","price":29.95,"currency_code":"GBP","in_stock":true},{"title":"16L","offer_id":53931040047370,"sku":"TLS-WOOD-002-02","price":32.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0748\/7127\/5786\/files\/marksman-knapsack-pressure-sprayer-12l-1.jpg?v=1792294394","url":"https:\/\/hydrocropshop.co.uk\/products\/marksman-knapsack-pressure-sprayer","provider":"Hydro Crop Shop","version":"1.0","type":"link"}