{"product_id":"canna-coco-coarse-50l","title":"CANNA Coco Coarse 50L — High-Aeration Coarse Coco Coir Growing Medium","description":"\u003cdiv class=\"product-description\"\u003e\n\u003cp\u003e\u003cstrong\u003eCANNA Coco Coarse\u003c\/strong\u003e is a premium coco coir growing medium developed for cultivators who require maximum root-zone aeration and rapid drainage. Manufactured from high-quality coconut husk fibres and coarse coco particles, it creates an open substrate structure that encourages vigorous root development while maintaining an ideal balance of air and moisture.\u003c\/p\u003e\n\u003cp\u003eSuitable for hydroponic, coco and automated irrigation systems, CANNA Coco Coarse provides a stable, reusable growing medium for professional and hobby growers alike. The larger particle size holds its structure across the full cycle, so the root zone stays open and oxygenated even under a heavy, high-frequency feed regime.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin: 16px 0 24px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background: #1a4a80; color: #fff;\"\u003e\n\u003cth style=\"padding: 10px 14px; text-align: left; width: 35%;\"\u003eFeature\u003c\/th\u003e\n\u003cth style=\"padding: 10px 14px; text-align: left;\"\u003eWhat It Means For Your Grow\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background: #eef7ff;\"\u003e\n\u003ctd style=\"padding: 10px 14px; font-weight: 600; border-bottom: 1px solid #d0e4f7;\"\u003eCoarse Particle Structure\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border-bottom: 1px solid #d0e4f7;\"\u003eAn open substrate that holds far more air than standard coco, giving roots constant access to oxygen\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #fff;\"\u003e\n\u003ctd style=\"padding: 10px 14px; font-weight: 600; border-bottom: 1px solid #d0e4f7;\"\u003eExcellent Drainage\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border-bottom: 1px solid #d0e4f7;\"\u003eFree-draining by design, so run-off clears quickly and the medium never sits waterlogged\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #eef7ff;\"\u003e\n\u003ctd style=\"padding: 10px 14px; font-weight: 600; border-bottom: 1px solid #d0e4f7;\"\u003eFast Root Development\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border-bottom: 1px solid #d0e4f7;\"\u003eHigh air-filled porosity drives rapid, vigorous root growth and a denser root mass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #fff;\"\u003e\n\u003ctd style=\"padding: 10px 14px; font-weight: 600; border-bottom: 1px solid #d0e4f7;\"\u003eBalanced Air-to-Water Ratio\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border-bottom: 1px solid #d0e4f7;\"\u003eRetains enough moisture between feeds without ever choking the root zone of oxygen\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #eef7ff;\"\u003e\n\u003ctd style=\"padding: 10px 14px; font-weight: 600; border-bottom: 1px solid #d0e4f7;\"\u003eNatural Coconut Husk Material\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border-bottom: 1px solid #d0e4f7;\"\u003eMade from high-quality coconut husk fibres and coarse coco particles\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #fff;\"\u003e\n\u003ctd style=\"padding: 10px 14px; font-weight: 600; border-bottom: 1px solid #d0e4f7;\"\u003eIrrigation Flexible\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border-bottom: 1px solid #d0e4f7;\"\u003eWorks equally well with hand watering and fully automated drip or flood irrigation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #eef7ff;\"\u003e\n\u003ctd style=\"padding: 10px 14px; font-weight: 600; border-bottom: 1px solid #d0e4f7;\"\u003eNutrient Compatible\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border-bottom: 1px solid #d0e4f7;\"\u003eRuns with hydroponic and coco-specific feed programmes, including CANNA Coco A\u0026amp;B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #fff;\"\u003e\n\u003ctd style=\"padding: 10px 14px; font-weight: 600;\"\u003eReusable\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px;\"\u003eCan be reused between crops when correctly cleaned, flushed and re-buffered\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin: 16px 0 24px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background: #eef7ff;\"\u003e\n\u003ctd style=\"padding: 10px 14px; font-weight: 600; width: 40%; border-bottom: 1px solid #d0e4f7;\"\u003eProduct Name\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border-bottom: 1px solid #d0e4f7;\"\u003eCANNA Coco Coarse\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #fff;\"\u003e\n\u003ctd style=\"padding: 10px 14px; font-weight: 600; border-bottom: 1px solid #d0e4f7;\"\u003eProduct Type\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border-bottom: 1px solid #d0e4f7;\"\u003eCoarse coco coir growing medium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #eef7ff;\"\u003e\n\u003ctd style=\"padding: 10px 14px; font-weight: 600; border-bottom: 1px solid #d0e4f7;\"\u003eMaterial\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border-bottom: 1px solid #d0e4f7;\"\u003eNatural coconut husk fibres and coarse coco particles\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #fff;\"\u003e\n\u003ctd style=\"padding: 10px 14px; font-weight: 600; border-bottom: 1px solid #d0e4f7;\"\u003eStructure\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border-bottom: 1px solid #d0e4f7;\"\u003eHigh-air, free-draining coarse blend\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #eef7ff;\"\u003e\n\u003ctd style=\"padding: 10px 14px; font-weight: 600; border-bottom: 1px solid #d0e4f7;\"\u003eBag Size\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border-bottom: 1px solid #d0e4f7;\"\u003e50 litres\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #fff;\"\u003e\n\u003ctd style=\"padding: 10px 14px; font-weight: 600; border-bottom: 1px solid #d0e4f7;\"\u003eSuitable Growing Methods\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border-bottom: 1px solid #d0e4f7;\"\u003eCoir cultivation and hydroponic systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #eef7ff;\"\u003e\n\u003ctd style=\"padding: 10px 14px; font-weight: 600; border-bottom: 1px solid #d0e4f7;\"\u003eSuitable Irrigation\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border-bottom: 1px solid #d0e4f7;\"\u003eHand watering and automatic irrigation systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #fff;\"\u003e\n\u003ctd style=\"padding: 10px 14px; font-weight: 600; border-bottom: 1px solid #d0e4f7;\"\u003eDrainage\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border-bottom: 1px solid #d0e4f7;\"\u003eExcellent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #eef7ff;\"\u003e\n\u003ctd style=\"padding: 10px 14px; font-weight: 600; border-bottom: 1px solid #d0e4f7;\"\u003eAeration\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border-bottom: 1px solid #d0e4f7;\"\u003eHigh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #fff;\"\u003e\n\u003ctd style=\"padding: 10px 14px; font-weight: 600; border-bottom: 1px solid #d0e4f7;\"\u003eReusability\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px; border-bottom: 1px solid #d0e4f7;\"\u003eYes, when correctly cleaned and prepared\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #eef7ff;\"\u003e\n\u003ctd style=\"padding: 10px 14px; font-weight: 600;\"\u003eApplications\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 14px;\"\u003ePots, containers, grow bags and grow tent cultivation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWho It's For\u003c\/h3\u003e\n\u003cp\u003eCANNA Coco Coarse is ideal for growers seeking a highly aerated coco coir substrate that supports aggressive root growth and efficient irrigation. Whether you are cultivating in a grow tent, a commercial facility or an advanced hydroponic system, its coarse texture provides the drainage and oxygen levels needed for healthy, productive plants.\u003c\/p\u003e\n\u003cdiv style=\"background: #fff3cd; border-left: 4px solid #f0a500; border-radius: 0 6px 6px 0; padding: 16px 20px; margin: 24px 0;\"\u003e\n\u003cp style=\"margin: 0 0 6px; font-size: 1em; font-weight: bold; color: #7a4f00;\"\u003eFeed More Often, Not More Heavily\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: .94em; line-height: 1.6;\"\u003eBecause a coarse medium holds less water than standard coco, it suits \u003cstrong\u003elittle-and-often irrigation\u003c\/strong\u003e. Move to shorter, more frequent feeds rather than fewer large ones, and aim for 10–20% run-off each time to keep salts in check.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003eHow to Use CANNA Coco Coarse\u003c\/h3\u003e\n\u003col style=\"padding-left: 20px; line-height: 1.9;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eFill your containers:\u003c\/strong\u003e Load pots, containers or grow bags with the coarse coco, firming lightly rather than compacting it — the open structure is the point.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-wet the medium:\u003c\/strong\u003e Saturate with a pH-adjusted nutrient solution before planting so the substrate is evenly moist throughout.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSet your feed:\u003c\/strong\u003e Run a coco-specific programme such as \u003ca href=\"\/es\/products\/canna-coco-nutrients\" style=\"color: #1a4a80; font-weight: 600;\"\u003eCANNA Coco A\u0026amp;B\u003c\/a\u003e, targeting a root zone pH of 5.5–6.2.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDial in irrigation:\u003c\/strong\u003e Use frequent, shorter feeds. Automated drip systems suit this medium particularly well.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBetween crops:\u003c\/strong\u003e Flush thoroughly, remove old root mass and re-buffer before reusing.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cdiv style=\"background: #eef7ff; border-left: 4px solid #2a7de1; border-radius: 0 6px 6px 0; padding: 16px 20px; margin: 28px 0 16px;\"\u003e\n\u003cp style=\"margin: 0 0 6px; font-size: 1em; font-weight: bold; color: #1a4a80;\"\u003eComplete Your CANNA Coco Setup\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: .94em; line-height: 1.6;\"\u003ePair this medium with the matching feed programme. Browse the full \u003ca href=\"\/es\/collections\/canna-nutrients\" style=\"color: #1a4a80; font-weight: 600;\"\u003eCANNA Nutrients range\u003c\/a\u003e to build a complete coco schedule from propagation through to flush.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #eef7ff; border-left: 4px solid #2a7de1; border-radius: 0 6px 6px 0; padding: 16px 20px; margin: 0 0 28px;\"\u003e\n\u003cp style=\"margin: 0 0 6px; font-size: 1em; font-weight: bold; color: #1a4a80;\"\u003eCompare All Coco Growing Media\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: .94em; line-height: 1.6;\"\u003eNot sure which grade suits your system? Browse our full \u003ca href=\"\/es\/collections\/coco\" style=\"color: #1a4a80; font-weight: 600;\"\u003eCoco growing media collection\u003c\/a\u003e to compare coarse, natural and professional grades side by side.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003eThe Hydro Bros Notes\u003c\/h3\u003e\n\u003cp\u003eCoarse coco is the grade we point experienced growers towards when they have outgrown hand watering. If you are running an automated system and feeding several times a day, the extra air in the root zone is what lets you push harder without waterlogging. If you are still hand watering once a day, standard Canna Coco Natural is the more forgiving choice.\u003c\/p\u003e\n\u003cdiv style=\"background: #1a4a80; color: #fff; border-radius: 6px 6px 0 0; padding: 10px 18px; font-weight: bold; margin-top: 32px;\"\u003eFrequently Asked Questions\u003c\/div\u003e\n\u003cdetails style=\"border: 1px solid #ddd; border-top: none; margin: 0;\"\u003e\n\u003csummary style=\"padding: 13px 18px; cursor: pointer; font-weight: 600; background: #f7f7f7; list-style: none;\"\u003eWhat is the difference between coarse coco and standard coco coir?\u003c\/summary\u003e\n\u003cdiv style=\"padding: 13px 18px; border-top: 1px solid #eee;\"\u003eCoarse coco uses larger husk fibres and chunkier particles, which creates bigger air pockets throughout the medium. That means more oxygen at the roots and much faster drainage, but less water held between feeds. Standard coco coir is finer, holds more moisture and is more forgiving if you water less often.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"border: 1px solid #ddd; border-top: none; margin: 0;\"\u003e\n\u003csummary style=\"padding: 13px 18px; cursor: pointer; font-weight: 600; background: #f7f7f7; list-style: none;\"\u003eHow often should I water coarse coco?\u003c\/summary\u003e\n\u003cdiv style=\"padding: 13px 18px; border-top: 1px solid #eee;\"\u003eMore frequently than standard coco. Because the medium drains fast and holds less water, most growers move to multiple short feeds per day, especially once plants are established and under an automated drip system. Aim for 10–20% run-off on each irrigation event.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"border: 1px solid #ddd; border-top: none; margin: 0;\"\u003e\n\u003csummary style=\"padding: 13px 18px; cursor: pointer; font-weight: 600; background: #f7f7f7; list-style: none;\"\u003eCan CANNA Coco Coarse be reused?\u003c\/summary\u003e\n\u003cdiv style=\"padding: 13px 18px; border-top: 1px solid #eee;\"\u003eYes. Remove the old root mass, flush the medium thoroughly to clear accumulated salts, then re-buffer with a calcium-magnesium solution before replanting. Coarse grades tend to hold their structure across reuse better than fine coco.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"border: 1px solid #ddd; border-top: none; margin: 0;\"\u003e\n\u003csummary style=\"padding: 13px 18px; cursor: pointer; font-weight: 600; background: #f7f7f7; list-style: none;\"\u003eWhich nutrients should I use with coarse coco?\u003c\/summary\u003e\n\u003cdiv style=\"padding: 13px 18px; border-top: 1px solid #eee;\"\u003eUse a coco-specific base feed such as CANNA Coco A\u0026amp;B, or a hydroponic programme suited to inert media. Coco-specific feeds account for the medium's cation exchange behaviour and include the calcium and magnesium levels coco demands.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"border: 1px solid #ddd; border-top: none; margin: 0;\"\u003e\n\u003csummary style=\"padding: 13px 18px; cursor: pointer; font-weight: 600; background: #f7f7f7; list-style: none;\"\u003eIs coarse coco suitable for automated irrigation?\u003c\/summary\u003e\n\u003cdiv style=\"padding: 13px 18px; border-top: 1px solid #eee;\"\u003eIt is one of the best media for it. The free-draining structure means the root zone recovers its oxygen quickly after each event, so it copes with high-frequency drip and flood systems far better than a moisture-retentive fine coco.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"border: 1px solid #ddd; border-top: none; margin: 0;\"\u003e\n\u003csummary style=\"padding: 13px 18px; cursor: pointer; font-weight: 600; background: #f7f7f7; list-style: none;\"\u003eWhat pot sizes does a 50L bag fill?\u003c\/summary\u003e\n\u003cdiv style=\"padding: 13px 18px; border-top: 1px solid #eee;\"\u003eA 50 litre bag will fill roughly four 11L pots, two and a half 18L pots, or one and a half 30L pots, depending on how lightly you fill them. For grow tent setups, most growers budget one bag per four-plant 11L run.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e","brand":"CANNA","offers":[{"title":"Default Title","offer_id":57507568288117,"sku":"13240","price":22.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0561\/9092\/7032\/files\/ChatGPTImageAug18_2026_09_25_17AM.png?v=1787041534","url":"https:\/\/www.thehydrobros.com\/es\/products\/canna-coco-coarse-50l","provider":"The Hydro Bros","version":"1.0","type":"link"}