{"product_id":"optic-foliar-atak-rtu","title":"Optic Foliar Atak RTU – Ready-to-Use Powdery Mildew Spray","description":"\u003ch2\u003eReady-Mixed Powdery Mildew Control You Can Spray With the Lights On\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eOptic Foliar Atak RTU\u003c\/strong\u003e is the ready-to-use version of Atak, Optic Foliar's copper-based leaf-health spray for \u003cstrong\u003epowdery mildew\u003c\/strong\u003e. It comes \u003cstrong\u003epremixed with Optic Foliar Transport\u003c\/strong\u003e, so there is nothing to measure: pour it into a sprayer and treat the tops of the leaves, \u003cstrong\u003ewith the lights on\u003c\/strong\u003e, from cuttings through to late flower. It carries essential trace minerals, with copper from copper sulphate and potash from potassium nitrate, and leaves no residue to wash off.\u003c\/p\u003e\n\u003ch3\u003eKey Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReady to use\u003c\/strong\u003e – Transport is already mixed in; no dilution and no pH adjustment\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLights-on application\u003c\/strong\u003e without leaf burn\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePowdery mildew control\u003c\/strong\u003e from copper, applied weekly or as a spot treatment\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCuttings to late flower\u003c\/strong\u003e – suitable through the whole cycle\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo residue\u003c\/strong\u003e and no damage to the leaf surface or the plant's essential oils\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePowdery Mildew in a Humid Canopy\u003c\/h3\u003e\n\u003cp\u003ePowdery mildew spreads quickly where \u003cstrong\u003ehumidity\u003c\/strong\u003e is high and \u003cstrong\u003eairflow\u003c\/strong\u003e is poor, and many treatments have to be timed around the lights or leave a coating that stays on the plant. Because Atak RTU goes on with the lights on, an outbreak can be treated the moment it is spotted, and a weekly routine spray keeps the leaves clean through the rest of the cycle. Pair it with good air movement and humidity control for the best results.\u003c\/p\u003e\n\u003ch3\u003eHow to Use\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo mixing:\u003c\/strong\u003e pour straight into a spray bottle or atomiser – \u003cstrong\u003edo not dilute\u003c\/strong\u003e and \u003cstrong\u003edo not adjust pH\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoutine:\u003c\/strong\u003e spray \u003cstrong\u003eweekly\u003c\/strong\u003e, or spot-treat as needed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoverage:\u003c\/strong\u003e spray the \u003cstrong\u003etops of the leaves\u003c\/strong\u003e until run-off, with the lights on\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLate flower:\u003c\/strong\u003e spray the leaves and avoid spraying directly onto flowers or fruit\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\u003eBrand:\u003c\/strong\u003e Optic Foliar\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e ready-to-use foliar spray, premixed with Transport\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGuaranteed analysis (label):\u003c\/strong\u003e total nitrogen 0.06%, soluble potash 0.15%, sulphur 0.06%, copper 0.1%\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNPK:\u003c\/strong\u003e 0.06-0-0.15\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDerived from:\u003c\/strong\u003e potassium nitrate, copper sulphate\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDilution:\u003c\/strong\u003e none – ready to use\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003epH adjustment:\u003c\/strong\u003e none\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e tops of the leaves, lights on, weekly or as a spot treatment\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStages:\u003c\/strong\u003e cuttings, veg and flowering\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColour:\u003c\/strong\u003e clear light blue\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\/optic-foliar-atak\" 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\/pest-diseases-optic-foliar-atak-powdery-mildew-treatment-32168820342968.jpg?v=1786377536\u0026amp;width=160\" alt=\"Optic Foliar Atak Concentrate\" 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;\"\u003eOptic Foliar Atak Concentrate\u003c\/strong\u003e\u003cspan style=\"color:#008d37;\"\u003eThe concentrate to mix your own\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\n\u003ca href=\"\/products\/aqualine-pump-pressure-sprayer\" 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\/aqualine-pump-pressure-sprayer-1.jpg?v=1790163754\u0026amp;width=160\" alt=\"Aqualine Pump \u0026amp; Pressure Sprayer\" 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;\"\u003eAqualine Pump \u0026amp; Pressure Sprayer\u003c\/strong\u003e\u003cspan style=\"color:#008d37;\"\u003eEven mist over the canopy\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/div\u003e","brand":"Optic Foliar","offers":[{"title":"4L","offer_id":53933555548426,"sku":"PLH-OPTI-001-01","price":33.9,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0748\/7127\/5786\/files\/optic-foliar-atak-rtu-4l-1.jpg?v=1792337691","url":"https:\/\/hydrocropshop.co.uk\/products\/optic-foliar-atak-rtu","provider":"Hydro Crop Shop","version":"1.0","type":"link"}