{"product_id":"canna-silica","title":"Canna Silica – Liquid Silica Supplement for Plants","description":"\u003ch2\u003eTwo forms of silicon for stronger stems and steadier growth under stress\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eCanna Silica\u003c\/strong\u003e is a liquid \u003cstrong\u003esilicon supplement\u003c\/strong\u003e – a fluid potassium silicate fertiliser carrying \u003cstrong\u003e5% SiO₂\u003c\/strong\u003e – formulated with nanotechnology so it delivers \u003cstrong\u003etwo highly bioavailable forms of silicon\u003c\/strong\u003e: one taken up straight away and one that keeps feeding through. Once absorbed, the silicon is laid down in cell walls and outer tissues, giving \u003cstrong\u003efirmer stems and leaves\u003c\/strong\u003e and better resilience to heat, drought, wind and high humidity. It runs alongside any Canna base nutrient in \u003cstrong\u003esoil, coco or hydro\u003c\/strong\u003e, from early growth right through flowering.\u003c\/p\u003e\u003ch3\u003eKey Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStronger stems and leaves\u003c\/strong\u003e – silicon reinforces cell walls from the inside out\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo bioavailable silicon forms\u003c\/strong\u003e for both immediate and sustained uptake\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBetter stress tolerance\u003c\/strong\u003e in heat, drought, wind and dense, humid canopies\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupports water and nutrient balance\u003c\/strong\u003e within the plant\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSteadies acidic nutrient solutions\u003c\/strong\u003e thanks to its naturally high pH\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow dose of 1–2 ml per litre\u003c\/strong\u003e, every feed, on every growing medium\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSoft growth that buckles under heat, humidity and heavy flowers\u003c\/h3\u003e\u003cp\u003ePlants grown fast indoors often put on soft tissue: stems bend under the weight of flowers and fruit, leaves droop in a heat spike and growth stalls whenever humidity or airflow moves out of range. Silicon is the element modern feeds usually leave out. Supplied steadily from early growth, \u003cstrong\u003eCanna Silica\u003c\/strong\u003e is built into new tissue as it forms, so plants hold themselves upright, keep their leaves working and recover faster from \u003cstrong\u003eenvironmental stress\u003c\/strong\u003e, which keeps \u003cstrong\u003enutrient uptake\u003c\/strong\u003e and growth on track.\u003c\/p\u003e\u003ch3\u003eHow to Use\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAll media, every feed:\u003c\/strong\u003e \u003cstrong\u003e1–2 ml per litre\u003c\/strong\u003e of water (10–20 ml per 10 litres) from early growth through flowering.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMixing order:\u003c\/strong\u003e fill the tank, shake well before use, then add \u003cstrong\u003eSilica first\u003c\/strong\u003e and adjust the pH to about \u003cstrong\u003e6.5–7.0\u003c\/strong\u003e; then add your Canna base nutrients and additives.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinal pH:\u003c\/strong\u003e check and correct to \u003cstrong\u003e5.2–6.2\u003c\/strong\u003e once everything is in. Silica adds potassium and lifts EC slightly, so measure after mixing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWith boosters:\u003c\/strong\u003e compatible with Canna additives and cal-mag products in the right order, but \u003cstrong\u003enot with PK additives\u003c\/strong\u003e such as PK 13\/14 – leave it out during that application.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHandling:\u003c\/strong\u003e corrosive concentrate – wear gloves and eye protection, and store closed in a cool, dark, frost-free place (\u003cstrong\u003e10–35 °C\u003c\/strong\u003e).\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\u003eType:\u003c\/strong\u003e liquid silicon supplement (fluid potassium silicate fertiliser)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSilicon content:\u003c\/strong\u003e 5% SiO₂\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFormulation:\u003c\/strong\u003e two bioavailable forms of silicon, made with nanotechnology\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDose:\u003c\/strong\u003e 1–2 ml per litre (10–20 ml per 10 litres)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMixing pH:\u003c\/strong\u003e about 6.5–7.0 after adding Silica, before base nutrients\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinal solution pH:\u003c\/strong\u003e 5.2–6.2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrowing media:\u003c\/strong\u003e soil, coco and hydro, including recirculating systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStage:\u003c\/strong\u003e whole cycle, early growth through flowering\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot to combine with:\u003c\/strong\u003e PK additives (e.g. CANNA PK 13\/14)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStorage:\u003c\/strong\u003e 10–35 °C, closed, dark and frost-free\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHazard:\u003c\/strong\u003e corrosive – causes severe skin burns and eye damage; may be corrosive to metals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Canna\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;\"\u003eCANNA Silica · soil, coco and hydro · added to the water at every feed\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 growth and vegetative stage\u003c\/td\u003e\n\u003ctd style=\"padding:12px 14px;border-top:1px solid #ededed;text-align:right;white-space:nowrap;font-weight:600;\"\u003e1–2 ml\u003c\/td\u003e\n\u003ctd style=\"padding:12px 20px;border-top:1px solid #ededed;text-align:right;white-space:nowrap;color:#6b6b6b;\"\u003e10–20 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;\"\u003eFlowering (leave out while CANNA PK 13\/14 is in use)\u003c\/td\u003e\n\u003ctd style=\"padding:12px 14px;border-top:1px solid #ededed;text-align:right;white-space:nowrap;font-weight:600;\"\u003e1–2 ml\u003c\/td\u003e\n\u003ctd style=\"padding:12px 20px;border-top:1px solid #ededed;text-align:right;white-space:nowrap;color:#6b6b6b;\"\u003e10–20 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 — CANNA's own guidance: add Silica to the water first and bring the pH to about 6.5–7.0, then add base nutrients and additives. Set EC first, then adjust the final pH to 5.2–6.2, once every base nutrient and additive is in the tank.\u003c\/div\u003e\n\u003c\/div\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cdiv class=\"hcs-faq\"\u003e\n\u003cdetails style=\"border:1px solid #e6e6e6;border-radius:8px;padding:12px 16px;margin:0 0 8px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;\"\u003eCan I use Canna Silica with PK 13\/14?\u003c\/summary\u003e\u003cp style=\"margin:10px 0 0;\"\u003eNo. Canna advises against combining Silica with PK additives such as PK 13\/14, so leave it out of the tank during the PK application and carry on with it afterwards.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #e6e6e6;border-radius:8px;padding:12px 16px;margin:0 0 8px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;\"\u003eWhy does it go into the water first?\u003c\/summary\u003e\u003cp style=\"margin:10px 0 0;\"\u003eCanna Silica has a naturally high pH. Mixing it into plain water first and bringing the pH to about 6.5–7.0 before any base nutrient goes in keeps the solution stable; you then add your feeds and correct the final pH as normal.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #e6e6e6;border-radius:8px;padding:12px 16px;margin:0 0 8px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;\"\u003eIs it worth using in soil or organic grows?\u003c\/summary\u003e\u003cp style=\"margin:10px 0 0;\"\u003eYes. Even rich soils hold much of their silicon in forms plants cannot take up, so a readily available source gives steady structural support whatever the growing medium.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #e6e6e6;border-radius:8px;padding:12px 16px;margin:0 0 8px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;\"\u003eIs it a pest or mildew treatment?\u003c\/summary\u003e\u003cp style=\"margin:10px 0 0;\"\u003eNo. Canna Silica is not a pesticide. It strengthens plant tissue so plants cope better with heat, humidity and other stress, but it does not treat pests or disease.\u003c\/p\u003e\u003c\/details\u003e\n\u003c\/div\u003e\u003ch3\u003eWorks Well With\u003c\/h3\u003e\u003cdiv class=\"hcs-related\" style=\"display:flex;flex-wrap:wrap;gap:10px;margin:12px 0 0;\"\u003e\n\u003ca href=\"\/products\/canna-organo-acid\" 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\/canna-organo-acid.jpg?v=1787264745\u0026amp;width=160\" alt=\"Canna Organo Acid\" 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;\"\u003eCanna Organo Acid\u003c\/strong\u003e\u003cspan style=\"color:#008d37;\"\u003eCanna pH down to correct the final pH Silica lifts\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/products\/canna-coco-nutrients-ab\" 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\/canna-coco-nutrients-ab-1l-aandb.jpg?v=1787264723\u0026amp;width=160\" alt=\"Canna Coco A\u0026amp;B\" 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;\"\u003eCanna Coco A\u0026amp;B\u003c\/strong\u003e\u003cspan style=\"color:#008d37;\"\u003eA Canna base feed Silica is made to run with\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/div\u003e","brand":"Canna","offers":[{"title":"1L","offer_id":53931041456394,"sku":"NUT-CANN-040-01","price":19.9,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0748\/7127\/5786\/files\/canna-silica-1.jpg?v=1792294926","url":"https:\/\/hydrocropshop.co.uk\/products\/canna-silica","provider":"Hydro Crop Shop","version":"1.0","type":"link"}