{"product_id":"green-planet-pk-spike","title":"Green Planet PK Spike","description":"\u003ch2\u003eA stable PK spike built to hold in solution\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eGreen Planet PK Spike\u003c\/strong\u003e is an extremely stable, water-soluble 0-14-15 phosphorus and potassium booster, formulated to stay in solution rather than precipitating out the way cheaper PK spikes can when mixed with calcium-heavy feeds. It is the designated bloom booster in the AutoPot feed programme and works equally well dosed into any flowering line.\u003c\/p\u003e\u003cp\u003eBecause it holds its stability, PK Spike can be introduced earlier in flower and run at a consistent rate without the reservoir management headaches that come with less soluble PK additives.\u003c\/p\u003e\u003ch3\u003eKey Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e0-14-15 NPK\u003c\/strong\u003e concentrated phosphorus and potassium spike\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtremely water-soluble and stable\u003c\/strong\u003e in the reservoir\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesignated bloom booster\u003c\/strong\u003e in the AutoPot feed programme\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuits any flowering feed line\u003c\/strong\u003e, not just Green Planet's own\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduces lockout risk\u003c\/strong\u003e compared with less soluble PK products\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eHow to Use\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eIntroduce from the second or third week of flower through to the pre-flush stage\u003c\/li\u003e\n\u003cli\u003eAdd to the reservoir alongside the base feed and other flowering boosters\u003c\/li\u003e\n\u003cli\u003eFollow the Green Planet feed chart for exact weekly rates\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\u003eNPK:\u003c\/strong\u003e 0-14-15\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFormat:\u003c\/strong\u003e water-soluble liquid PK booster\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;\"\u003eGreen Planet PK Spike · hydroponics, coco and soil\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;\"\u003eMid flower — weeks 3, 4 and 5\u003c\/td\u003e\n\u003ctd style=\"padding:12px 14px;border-top:1px solid #ededed;text-align:right;white-space:nowrap;font-weight:600;\"\u003e1 ml\u003c\/td\u003e\n\u003ctd style=\"padding:12px 20px;border-top:1px solid #ededed;text-align:right;white-space:nowrap;color:#6b6b6b;\"\u003e10 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 — GreenPlanet publish this as 1 mL per litre of water. Begin in week 3 for short-flowering plants (65 days or less), or week 4 for longer cycles. \u003cstrong\u003ePK Spike and Massive are alternatives — use one or the other, not both.\u003c\/strong\u003e If you use PK Spike instead of Massive, reduce your base nutrient to stay within the target EC. Hold the solution at pH 5.8 – 6.3 and 18 – 22°C. Check pH and EC after mixing.\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Green Planet","offers":[{"title":"1L","offer_id":53500718612746,"sku":"NUT-GRE3-010-02","price":20.9,"currency_code":"GBP","in_stock":true},{"title":"500ml","offer_id":53500718645514,"sku":null,"price":16.9,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0748\/7127\/5786\/files\/PK-Spike.jpg?v=1786377595","url":"https:\/\/hydrocropshop.co.uk\/products\/green-planet-pk-spike","provider":"Hydro Crop Shop","version":"1.0","type":"link"}