{"title":"Coir Substrates","description":"\u003cp\u003ePlain and buffered coco coir, coir-and-perlite blends and coarse husk chips for building your growing medium. Select a structure and format suited to your plants and containers. These products are distinct from our fertilised compost range; follow the product’s feeding guidance.\u003c\/p\u003e","products":[{"product_id":"coco-coir-block-5kg","title":"Coco Coir Block 4 × 5kg \/ 300L","description":"\u003cp\u003eFour compressed 5kg coconut-coir blocks, each expanding to approximately 75 litres after hydration and loosening, providing approximately 300 litres in total.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePack of 4 × 5kg blocks; 20kg of dry coir before packaging.\u003c\/li\u003e\n\u003cli\u003eHydrate individual blocks as needed and store unused blocks dry.\u003c\/li\u003e\n\u003cli\u003eUse for suitable pots, planters and growing systems, or blend with coir chips or perlite to suit your plants.\u003c\/li\u003e\n\u003cli\u003ePrepare fully before planting and use a crop-appropriate feeding programme.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eExpanded volume varies with hydration and loosening. Washing and buffering do not replace a complete fertiliser programme.\u003c\/p\u003e","brand":"Coirology","offers":[{"title":"Pack of 4 (4 × 5kg \/ 300L)","offer_id":54541591970137,"sku":"CC-BLK-BOX-4PK","price":58.1,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0883\/3092\/8473\/files\/81bDrv1LTiL._AC_SL1500.jpg?v=1746961672"},{"product_id":"coco-coir-bricks-650g-x-6-expands-to-60l-peat-free-low-ec-triple-washed","title":"COCO COIR BRICKS (650g x 6) bag \/ 60L","description":"\u003cp\u003eSix 650g peat-free coco coir bricks in one pack: 3.9kg of compressed material, expanding to approximately 60 litres in total after hydration and loosening.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eEach brick makes approximately 10 litres. Prepare individual bricks as required.\u003c\/li\u003e\n\u003cli\u003eUse as a component in suitable growing mixes for pots, containers and planting projects.\u003c\/li\u003e\n\u003cli\u003eChoose nutrition and any additional components around your plants’ requirements.\u003c\/li\u003e\n\u003cli\u003eAdd water gradually as directed, allow expansion and loosen all compressed areas.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eKeep unused bricks dry. Expanded volume varies with hydration and loosening.\u003c\/p\u003e","brand":"Coirology","offers":[{"title":"Default Title","offer_id":54541597081945,"sku":"CC-BRK-650G-6PK-FBM","price":18.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0883\/3092\/8473\/files\/614d1hZenIL._AC_SL1500.jpg?v=1746920069"},{"product_id":"coco-coir-brick-650g","title":"COCO COIR BRICK 650g \/ 10L","description":"\u003cp\u003eThis listing contains one 650g peat-free coco coir brick, expanding to approximately 10 litres after hydration and loosening.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eA single compact brick for small batches of growing medium.\u003c\/li\u003e\n\u003cli\u003ePrepare in a separate tub with room for expansion, adding water gradually as directed on the pack.\u003c\/li\u003e\n\u003cli\u003eUse as a growing-media component and select suitable nutrition and blend components for your plants.\u003c\/li\u003e\n\u003cli\u003eSuitable applications depend on the plant, container, drainage and watering routine.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eStore the unused brick dry. Expanded volume varies with hydration and loosening.\u003c\/p\u003e","brand":"Coirology","offers":[{"title":"Default Title","offer_id":54541645054297,"sku":"CC-BRK-650G-FBM","price":6.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0883\/3092\/8473\/files\/GreatFor_4_4.jpg?v=1747060972"},{"product_id":"buffered-coco-coir-5kg","title":"BUFFERED COCO COIR 5KG \/ 75L","description":"\u003cp\u003eOne 5kg block of washed, calcium-buffered, peat-free coco coir. Expands to approximately 75 litres after hydration and loosening, for container growing and suitable hydroponic systems.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eWashing reduces soluble salts; calcium buffering addresses exchangeable ions held by the coir.\u003c\/li\u003e\n\u003cli\u003eBuffering does not replace a complete feeding programme. Match nutrients to your crop and water supply.\u003c\/li\u003e\n\u003cli\u003eUse alone where suitable or blend with appropriate components to adjust structure.\u003c\/li\u003e\n\u003cli\u003eHydrate according to the pack, loosen fully and provide suitable drainage.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eStore unused material dry. Choose the formulation, irrigation and nutrient programme around the crop and growing system.\u003c\/p\u003e","brand":"Coirology","offers":[{"title":"Default Title","offer_id":54544915857753,"sku":"BF-CC-5KG","price":19.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0883\/3092\/8473\/files\/71VOUeIbR0L._AC_SL1500.jpg?v=1746964485"},{"product_id":"coco-coir-chips-650g","title":"COCO COIR CHIPS 650g \/ 9L","description":"\u003cp\u003eOne 650g compressed pack of coarse coconut husk chips, expanding to approximately 9 litres after hydration and loosening.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eA peat-free component for adding coarse structure to suitable growing mixes.\u003c\/li\u003e\n\u003cli\u003eChips can retain moisture within the material while creating larger spaces between particles.\u003c\/li\u003e\n\u003cli\u003eSelect the blend around the plant, container geometry, drainage and watering routine.\u003c\/li\u003e\n\u003cli\u003eHydrate separately and loosen the material before use.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFor enclosure use, check suitability for the animal’s species and life stage and follow appropriate husbandry guidance. Expanded volume varies with preparation.\u003c\/p\u003e","brand":"Coirology","offers":[{"title":"Default Title","offer_id":54544948101465,"sku":"CH-650G-FBM","price":9.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0883\/3092\/8473\/files\/717BQ6Iz8_L._AC_SL1500.jpg?v=1747172658"},{"product_id":"coco-perlite-pro-650g-x-4-bag","title":"COCO PERLITE PRO 70\/30 (650g x 4) bag \/ 32L","description":"\u003cp\u003eFour 650g compressed blocks of 70\/30 coco coir and perlite: 2.6kg per pack, expanding to approximately 32 litres in total after hydration and loosening.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eApproximately 8 litres per block, so you can prepare individual blocks as required.\u003c\/li\u003e\n\u003cli\u003eCoir retains moisture while perlite contributes to the physical structure of the growing mix.\u003c\/li\u003e\n\u003cli\u003eThe 70\/30 formulation describes the blend, not a measured air-space percentage.\u003c\/li\u003e\n\u003cli\u003eHydrate as directed, loosen gently and match irrigation and feeding to the crop and container.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eKeep unused blocks dry. Expanded volume varies with preparation.\u003c\/p\u003e","brand":"Coirology","offers":[{"title":"Default Title","offer_id":54544963141977,"sku":"CP-PRO-650G-4PK","price":19.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0883\/3092\/8473\/files\/perlitemain.jpg?v=1751671653"},{"product_id":"coco-coir-perlite-bundle","title":"Coco Coir \u0026 Perlite Bundle","description":"\u003cp\u003eSix 650g plain coco-coir bricks and two 2L horticultural perlite pouches, supplied separately. Hydrate three bricks and mix with one pouch for a convenient starting batch.\u003c\/p\u003e\u003cp\u003eCreate a peat-free growing mix around your plants and containers. This bundle contains plain coir and perlite; provide a separate feeding programme suited to the crop.\u003c\/p\u003e\u003ch2\u003eWhat is included\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e1 × six-pack of plain coco-coir bricks (6 × 650g).\u003c\/li\u003e\n\u003cli\u003e2 × 2L horticultural perlite pouches.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eApproximately 54–60L hydrated coir plus 4L perlite. Total loose component volume is 58–64L before mixing; final yield depends on preparation and settling. The suggested mix is approximately 93:7 coir to perlite by component volume, not a 70\/30 blend.\u003c\/p\u003e\u003cp\u003eHydrate the coir fully, loosen thoroughly, then gently mix in lightly dampened perlite. Use appropriate containers with drainage holes. Provide a separate plant-appropriate feeding programme.\u003c\/p\u003e","brand":"Coirology","offers":[{"title":"Default Title","offer_id":59706329497945,"sku":"PB-CC650-6PK-PER2L-2PK-FBM","price":16.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0883\/3092\/8473\/files\/coirology-coir-perlite-bundle.webp?v=1791154487"}],"url":"https:\/\/coirology.co.uk\/collections\/coir-substrates.oembed","provider":"Coirology","version":"1.0","type":"link"}