{"product_id":"bac-lime-powder-calcium-5kg","title":"BAC Lime Powder (Calcium) 5kg | Soil \u0026 Coco pH Buffer","description":"\u003ch2\u003eBAC Lime Powder (Calcium) 5kg\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eBAC Lime Powder (Calcium) 5kg\u003c\/strong\u003e is a powerful substrate conditioner designed to rejuvenate and upgrade used soil and coco coir. Over time, growing media naturally becomes acidic and depleted of essential minerals, reducing nutrient uptake and limiting plant performance. BAC Lime helps restore balance by stabilising pH levels while replenishing vital calcium and magnesium.\u003c\/p\u003e\n\n\u003cp\u003ePerfect for growers looking to reuse old substrates instead of throwing them away after every cycle, BAC Lime creates a healthier root zone and improves nutrient availability for stronger growth, healthier plants, and more productive harvests.\u003c\/p\u003e\n\n\u003cp\u003eThis easy-to-use powdered amendment is ideal for coco and soil growers who want a cost-effective and sustainable way to bring tired media back to life.\u003c\/p\u003e\n\n\u003ch2\u003eWhy Use BAC Lime Powder?\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003eCorrects acidic soil and coco substrates\u003c\/li\u003e\n\u003cli\u003eRaises and stabilises low pH levels\u003c\/li\u003e\n\u003cli\u003eImproves nutrient uptake and nutrient availability\u003c\/li\u003e\n\u003cli\u003eReplenishes depleted calcium and magnesium\u003c\/li\u003e\n\u003cli\u003eHelps restore used growing media for reuse\u003c\/li\u003e\n\u003cli\u003eSupports stronger root development and healthier plants\u003c\/li\u003e\n\u003cli\u003eIdeal for sustainable and cost-effective growing\u003c\/li\u003e\n\u003cli\u003eSuitable for both coco coir and soil grows\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCorrect Acidic Soils \u0026amp; Improve Growing Conditions\u003c\/h2\u003e\n\n\u003cp\u003eAcidic substrates can severely reduce nutrient absorption and overall plant performance. BAC Lime helps raise substrate pH to create a healthier growing environment for roots, microbes, and nutrient uptake.\u003c\/p\u003e\n\n\u003cp\u003eDifferent growing media react differently to pH correction:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eClay Soils\u003c\/strong\u003e resist pH changes more heavily than other soil types, meaning larger amounts of lime may be required to increase pH levels effectively.\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eLoamy Soils\u003c\/strong\u003e typically require less product than clay-based soils, as they do not resist pH changes as strongly.\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eSandy Soils\u003c\/strong\u003e generally require the least amount of lime due to their lower clay content and reduced buffering capacity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eBy restoring pH stability, BAC Lime helps unlock nutrients already present in the medium, especially phosphorus and potassium, improving overall fertiliser efficiency and plant health.\u003c\/p\u003e\n\n\u003ch2\u003eHow BAC Lime Works\u003c\/h2\u003e\n\n\u003cp\u003eUsed soil and coco can become increasingly acidic after repeated feeding cycles. This can lead to nutrient lockout, weak growth, and poor root development. BAC Lime buffers the growing media and restores balance by adding high levels of calcium and magnesium.\u003c\/p\u003e\n\n\u003cp\u003eCalcium is essential for cell wall strength, nutrient transport, and root development, while magnesium plays a crucial role in chlorophyll production and photosynthesis.\u003c\/p\u003e\n\n\u003cp\u003eThe result is a healthier substrate capable of supporting vigorous growth and better yields.\u003c\/p\u003e\n\n\u003ch2\u003eApplication \u0026amp; Dosage\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eBAC Lime must always be mixed thoroughly through the growing medium before planting.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ctable style=\"width:100%;border-collapse:collapse;\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;\"\u003eGrowing Medium\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;\"\u003eDosage\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eSoil\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e2g per litre of soil\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eCoco Coir\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e1g per litre of coco\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cp\u003eEnsure the powder is evenly distributed throughout the substrate before planting. BAC Lime is not designed as a top dressing for established plants.\u003c\/p\u003e\n\n\u003ch2\u003eIngredients\u003c\/h2\u003e\n\n\u003ctable style=\"width:100%;border-collapse:collapse;\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;\"\u003eIngredient\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:10px;border:1px solid #ddd;\"\u003eContent\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eCalcium\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e47%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eMagnesium\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e5%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eBest Used For\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003eReusing old soil and coco\u003c\/li\u003e\n\u003cli\u003eCorrecting acidic substrates\u003c\/li\u003e\n\u003cli\u003ePreparing growing media before planting\u003c\/li\u003e\n\u003cli\u003eImproving calcium availability\u003c\/li\u003e\n\u003cli\u003eSupporting microbial life in living soils\u003c\/li\u003e\n\u003cli\u003eReducing nutrient lockout issues\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eImportant Usage Information\u003c\/h2\u003e\n\n\u003cp\u003eBAC Lime is specifically designed for use in soil and coco coir substrates. It is not suitable for recirculating hydroponic systems such as DWC, NFT, or aeroponics because the powder does not fully dissolve and may block irrigation equipment.\u003c\/p\u003e\n\n\u003ch2\u003eCompatible BAC Nutrients \u0026amp; Additives\u003c\/h2\u003e\n\n\u003cp\u003eIf you're running the full BAC range, BAC Lime works perfectly alongside these products:\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eBase Nutrients\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.thehydrobros.com\/products\/bac-soil-grow-one-part\"\u003eBAC Soil Grow One Part\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.thehydrobros.com\/products\/bac-soil-bloom-one-part\"\u003eBAC Soil Bloom One Part\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.thehydrobros.com\/products\/bac-coco-bloom-ab\"\u003eBAC Coco Grow AB\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.thehydrobros.com\/products\/bac-coco-bloom-ab\"\u003eBAC Coco Bloom AB\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eAdditives \u0026amp; Boosters\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.thehydrobros.com\/products\/bac-amino-complex\"\u003eBAC Amino Complex\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.thehydrobros.com\/products\/bac-f1-extreme-booster\"\u003eBAC F1 Extreme Booster\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.thehydrobros.com\/products\/bac-calmag-20\"\u003eBAC Calmag 2.0\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.thehydrobros.com\/products\/bac-silica-power\"\u003eBAC Silica Power\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.thehydrobros.com\/products\/bac-organic-root-stim\"\u003eBAC Root Stim\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.thehydrobros.com\/products\/bac-organic-bloom-stim\"\u003eBAC Bloom Stim\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.thehydrobros.com\/products\/bac-final-solution\"\u003eBAC Final Solution\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.thehydrobros.com\/products\/bac-frooting-power\"\u003eBAC Frooting Power\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eBAC Feed Schedules\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.bacfertilizers.com\/l\/library\/download\/urn:uuid:976bc82b-8e67-4ac4-9a33-524a0671b7c3\/schedule+coco+hydro+fertiliseruk.pdf?format=save_to_disk\"\u003eBAC Coco Feed Schedule\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.bacfertilizers.com\/l\/library\/download\/urn:uuid:dd3dbd84-bce9-4fbb-b58b-595fb235f51d\/schedule+soil+1component+fertiliseruk.pdf?format=save_to_disk\"\u003eBAC Soil Feed Schedule\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.bacfertilizers.com\/l\/library\/download\/urn:uuid:128347b1-ed26-4dc7-95a9-ca07cf75d10d\/schedule+organic+fertiliseruk.pdf?format=save_to_disk\"\u003eBAC Organic Feed Schedule\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\u003ch3\u003eWhy should I add lime to reused soil or coco?\u003c\/h3\u003e\n\n\u003cp\u003eAfter a grow cycle, substrates often become acidic and lose key minerals like calcium and magnesium. BAC Lime restores balance, improves pH stability, and helps prepare the media for another successful crop.\u003c\/p\u003e\n\n\u003ch3\u003eCan BAC Lime be used in hydroponic systems?\u003c\/h3\u003e\n\n\u003cp\u003eNo. BAC Lime is intended for soil and coco applications only and should not be used in recirculating hydroponic systems.\u003c\/p\u003e\n\n\u003ch3\u003eWhen should I apply BAC Lime?\u003c\/h3\u003e\n\n\u003cp\u003eBAC Lime should be mixed into the growing medium before planting to properly stabilise the substrate.\u003c\/p\u003e\n\n\u003ch3\u003eCan I use BAC Lime with other nutrients?\u003c\/h3\u003e\n\n\u003cp\u003eYes. BAC Lime actually improves the effectiveness of your nutrient programme by creating a healthier pH range for nutrient uptake.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eAvailable in 5kg.\u003c\/strong\u003e\u003c\/p\u003e","brand":"BAC","offers":[{"title":"Default Title","offer_id":43805608640727,"sku":"8161","price":17.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0561\/9092\/7032\/files\/nutrients-bac-lime-powder-calcium-5kg-68487503085941.png?v=1726972666","url":"https:\/\/www.thehydrobros.com\/products\/bac-lime-powder-calcium-5kg","provider":"The Hydro Bros","version":"1.0","type":"link"}