{"product_id":"hesi-hydro-grow","title":"Hesi Hydro Grow Vegetative Nutrient for Hydroponics","description":"\u003ch2\u003eA vegetative base for inert media, in soft and hard water versions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eHesi Hydro Grow\u003c\/strong\u003e is the vegetative base for \u003cstrong\u003ehydroponics, clay pebbles and rockwool\u003c\/strong\u003e. It comes in \u003cstrong\u003esoft water and hard water\u003c\/strong\u003e formulations - the soft water version carries its own calcium and magnesium, the hard water version leaves room for what your supply already provides.\u003c\/p\u003e\u003ch3\u003eKey Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo formulations\u003c\/strong\u003e - match the feed to your water instead of correcting it afterwards\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVitamins and amino acids included\u003c\/strong\u003e - Hesi build these into the base rather than selling them separately\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStable in a recirculating tank\u003c\/strong\u003e - holds pH better than most single-part feeds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow salt index\u003c\/strong\u003e - less build-up across a long recirculating run\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePairs with Hydro Bloom\u003c\/strong\u003e - the same programme through flower\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eUsing the wrong formulation for your water\u003c\/h3\u003e\u003cp\u003eA soft water feed on hard tap water pushes total calcium too high and locks out iron and manganese. A hard water feed on RO leaves the plant short of calcium entirely. Both look like deficiencies and both get treated by feeding harder, which makes them worse. ⛑ \u003cstrong\u003eTest your water first - under about 100 ppm is soft.\u003c\/strong\u003e\u003c\/p\u003e\u003ch3\u003eHow to Use\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhich version:\u003c\/strong\u003e \u003cstrong\u003esoft water\u003c\/strong\u003e under roughly 100 ppm or on RO, \u003cstrong\u003ehard water\u003c\/strong\u003e above it\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEarly vegetative:\u003c\/strong\u003e \u003cstrong\u003e3 ml per litre\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLate vegetative:\u003c\/strong\u003e \u003cstrong\u003e5 ml per litre\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTransition:\u003c\/strong\u003e reduce as Hydro Bloom comes in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTarget pH:\u003c\/strong\u003e \u003cstrong\u003e5.5 to 6.2\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003cdiv class=\"hcs-specs\"\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProgramme:\u003c\/strong\u003e Hesi hydroponic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRole:\u003c\/strong\u003e Vegetative base\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFormulations:\u003c\/strong\u003e Soft water and hard water\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTypical dose:\u003c\/strong\u003e 3 to 5 ml per litre\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Hydroponics, clay pebbles, rockwool\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTarget pH:\u003c\/strong\u003e 5.5 to 6.2\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\u003cdiv class=\"hcs-dosing\" style=\"margin:32px 0 0;border:1px solid #e6e6e6;border-radius:12px;overflow:hidden;font-family:Montserrat,-apple-system,'Segoe UI',sans-serif;\"\u003e\n\u003cdiv style=\"background:#101010;padding:16px 20px;border-bottom:3px solid #efc04c;\"\u003e\n\u003cdiv style=\"color:#ffffff;font-size:17px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;\"\u003eFeed Chart\u003c\/div\u003e\n\u003cdiv style=\"margin-top:6px;color:#b8b8b8;font-size:12px;line-height:1.5;\"\u003eHesi Hydro Grow · hydroponics, clay pebbles and rockwool\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;font-size:14px;color:#2b2b2b;background:#fff;\"\u003e\n\u003ctr style=\"background:#f4f4f4;\"\u003e\n\u003cth style=\"text-align:left;padding:10px 20px;font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:#6b6b6b;font-weight:600;\"\u003eStage\u003c\/th\u003e\n\u003cth style=\"text-align:right;padding:10px 14px;font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:#6b6b6b;font-weight:600;white-space:nowrap;\"\u003ePer 1 L\u003c\/th\u003e\n\u003cth style=\"text-align:right;padding:10px 20px;font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:#6b6b6b;font-weight:600;white-space:nowrap;\"\u003ePer 10 L\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:12px 20px;border-top:1px solid #ededed;\"\u003eEarly vegetative\u003c\/td\u003e\n\u003ctd style=\"padding:12px 14px;border-top:1px solid #ededed;text-align:right;white-space:nowrap;font-weight:600;\"\u003e3 ml\u003c\/td\u003e\n\u003ctd style=\"padding:12px 20px;border-top:1px solid #ededed;text-align:right;white-space:nowrap;color:#6b6b6b;\"\u003e30 ml\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#fcfaf4;\"\u003e\n\u003ctd style=\"padding:12px 20px;border-top:1px solid #ededed;\"\u003eLate vegetative\u003c\/td\u003e\n\u003ctd style=\"padding:12px 14px;border-top:1px solid #ededed;text-align:right;white-space:nowrap;font-weight:600;\"\u003e5 ml\u003c\/td\u003e\n\u003ctd style=\"padding:12px 20px;border-top:1px solid #ededed;text-align:right;white-space:nowrap;color:#6b6b6b;\"\u003e50 ml\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cdiv style=\"background:#101010;padding:12px 20px;font-size:12px;color:#b8b8b8;line-height:1.6;\"\u003e\n\u003cspan style=\"color:#efc04c;font-weight:600;\"\u003eNote\u003c\/span\u003e — Use the soft water version under roughly 100 ppm or on RO, and the hard water version above that; they are different products and using the wrong one causes symptoms that look like a deficiency. Reduce the rate as Hydro Bloom comes in. Target pH 5.5 to 6.2. Check pH and EC after mixing.\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Hesi","offers":[{"title":"1 Litre \/ Soft Water","offer_id":53496885117194,"sku":"NUT-HES-009-01","price":9.45,"currency_code":"GBP","in_stock":true},{"title":"1 Litre \/ Hard Water","offer_id":53496885149962,"sku":"NUT-HES-009-02","price":9.45,"currency_code":"GBP","in_stock":true},{"title":"5 Litre \/ Soft Water","offer_id":53496885182730,"sku":"NUT-HES-009-03","price":24.45,"currency_code":"GBP","in_stock":true},{"title":"5 Litre \/ Hard Water","offer_id":53496885215498,"sku":"NUT-HES-009-04","price":24.45,"currency_code":"GBP","in_stock":true},{"title":"10 Litre \/ Soft Water","offer_id":53496885248266,"sku":"NUT-HES-009-05","price":43.99,"currency_code":"GBP","in_stock":true},{"title":"10 Litre \/ Hard Water","offer_id":53496885281034,"sku":"NUT-HES-009-06","price":43.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0748\/7127\/5786\/files\/Hesi_Hydro_Growth_f04bd4bc-2419-404e-b7f8-c40ccb2291ec.jpg?v=1786226558","url":"https:\/\/hydrocropshop.co.uk\/products\/hesi-hydro-grow","provider":"Hydro Crop Shop","version":"1.0","type":"link"}