{"product_id":"advanced-nutrients-hammerhead","title":"Advanced Nutrients Hammerhead PK Late Flowering Booster","description":"\u003ch2\u003eA straight PK for the second half of flower\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eHammerhead\u003c\/strong\u003e is Advanced Nutrients' \u003cstrong\u003ephosphorus and potassium\u003c\/strong\u003e booster for the back half of flowering. It is a straightforward PK rather than a blended additive, which makes it easy to slot into any feed schedule without duplicating what a base feed already provides.\u003c\/p\u003e\u003ch3\u003eKey Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStraight PK, no passengers\u003c\/strong\u003e - you are paying for phosphorus and potassium and nothing else\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSecond half of flower\u003c\/strong\u003e - the window where a PK earns its place\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow cost per litre\u003c\/strong\u003e - among the cheapest ways to add a real PK\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAny base feed\u003c\/strong\u003e - mineral or organic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy to dial in\u003c\/strong\u003e - one variable rather than a blend of several\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFlowers that stop gaining in the last three weeks\u003c\/h3\u003e\u003cp\u003eA base feed carries a general ratio, and in the second half of flower demand for phosphorus and potassium climbs well past it. The plant plateaus, and the difference between a good yield and an average one is usually decided right there.\u003c\/p\u003e\u003ch3\u003eHow to Use\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeeks 4 to 6 of flower:\u003c\/strong\u003e \u003cstrong\u003e2 ml per litre\u003c\/strong\u003e at every feed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy feeders:\u003c\/strong\u003e up to \u003cstrong\u003e3 ml per litre\u003c\/strong\u003e if leaf colour holds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTaper:\u003c\/strong\u003e stop about a week before harvest and flush\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEC:\u003c\/strong\u003e reduce the base feed as the PK goes up so total EC stays on target\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWatch for:\u003c\/strong\u003e dark, clawed leaf tips mean too much - back it off\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\u003eRole:\u003c\/strong\u003e Late flowering PK booster\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWindow:\u003c\/strong\u003e Weeks 4 to 6 of flower\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTypical dose:\u003c\/strong\u003e 2 to 3 ml per litre\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFormulation:\u003c\/strong\u003e Straight phosphorus and potassium\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Soil, coco, hydroponics\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;\"\u003eAdvanced Nutrients Hammerhead · soil, coco and hydroponics\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;\"\u003eFlowering weeks 4 to 6\u003c\/td\u003e\n\u003ctd style=\"padding:12px 14px;border-top:1px solid #ededed;text-align:right;white-space:nowrap;font-weight:600;\"\u003e2 ml\u003c\/td\u003e\n\u003ctd style=\"padding:12px 20px;border-top:1px solid #ededed;text-align:right;white-space:nowrap;color:#6b6b6b;\"\u003e20 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;\"\u003eHeavy feeders, if leaf colour holds\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\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 — Stop about a week before harvest and flush. Reduce the base feed as the PK goes up so total EC stays on target; dark, clawed leaf tips mean too much. Check pH and EC after mixing.\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Advanced Nutrients","offers":[{"title":"250ml","offer_id":53496879251722,"sku":"NUT-ADB-010-01","price":6.99,"currency_code":"GBP","in_stock":true},{"title":"500ml","offer_id":53496879284490,"sku":"NUT-ADB-010-02","price":9.95,"currency_code":"GBP","in_stock":true},{"title":"1L","offer_id":53496879317258,"sku":"NUT-ADB-010-03","price":18.49,"currency_code":"GBP","in_stock":true},{"title":"5L","offer_id":53496879350026,"sku":"NUT-ADB-010-04","price":65.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0748\/7127\/5786\/files\/nutrients-advanced-nutrients-hammerhead-40251490140375.png?v=1786221448","url":"https:\/\/hydrocropshop.co.uk\/products\/advanced-nutrients-hammerhead","provider":"Hydro Crop Shop","version":"1.0","type":"link"}