{"product_id":"premium-slow-release-fertiliser-15-6-15","title":"Premium Slow-Release Fertiliser 15-6-15 with Calcium and Magnesium for Enhanced Turf Growth and Colour Boost","description":"\u003ch2\u003eSuperior Slow-Release Fertiliser 15-6-15 with Calcium and Magnesium\u003c\/h2\u003e\n\u003cp\u003eThis exceptional slow-release fertiliser is crafted for ideal nutrient absorption, emphasizing a heightened nitrogen content for superior growth. Regarded as one of the \u003cstrong\u003etop turf fertilisers in the UK\u003c\/strong\u003e, this blend ensures a well-rounded nutrient supply for lush, green development throughout the year. Perfect for application on golf tees, fairways, sports fields, and recreational areas, it fosters a vigorous growth reaction and rich color during the warmer seasons of spring and summer.\u003c\/p\u003e \n\u003ch3\u003eBenefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEngineered for a nitrogen surge and prolonged nutrient release.\u003c\/li\u003e\n\u003cli\u003eFeatures polyhalite for improved color enhancement.\u003c\/li\u003e\n\u003cli\u003eIncludes calcium and magnesium to meet the needs of turf on sand-based surfaces.\u003c\/li\u003e\n\u003cli\u003eOptimized to yield a robust growth response and a vibrant color boost during spring and summer.\u003c\/li\u003e\n\u003c\/ul\u003e \n\u003chr\u003e\n\u003ch3\u003eSuggested Application Rate\u003c\/h3\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse; margin:20px 0;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color:#f8f9fa; border-bottom:2px solid #dee2e6;\"\u003e\n\u003cth style=\"padding:12px; text-align:left; border:1px solid #dee2e6;\"\u003eDuration\u003c\/th\u003e\n\u003cth style=\"padding:12px; text-align:left; border:1px solid #dee2e6;\"\u003ePackage Size (kg)\u003c\/th\u003e\n\u003cth style=\"padding:12px; text-align:left; border:1px solid #dee2e6;\"\u003eSuggested Rate (g\/m\u003csup\u003e2\u003c\/sup\u003e)\u003c\/th\u003e\n\u003cth style=\"padding:12px; text-align:left; border:1px solid #dee2e6;\"\u003eTurf Reaction\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 #dee2e6;\"\u003e2 Months\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border:1px solid #dee2e6;\"\u003e25\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border:1px solid #dee2e6;\"\u003e20 - 35\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border:1px solid #dee2e6;\"\u003e7 days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e \n\u003cul\u003e\n\u003cli\u003eEnsure application on dry grass.\u003c\/li\u003e\n\u003cli\u003eIrrigation post-application helps with distribution and accelerates initial results.\u003c\/li\u003e\n\u003cli\u003eSteer clear of applying during freezing or drought conditions.\u003c\/li\u003e\n\u003cli\u003eWatering after application reduces the risk of footprints.\u003c\/li\u003e\n\u003cli\u003eOptimal to apply following aeration techniques like hollow tining, slitting, or scarification to prevent damage to granules.\u003c\/li\u003e\n\u003c\/ul\u003e \n\u003ch3\u003eSpreader Instructions\u003c\/h3\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse; margin:20px 0;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color:#f8f9fa; border-bottom:2px solid #dee2e6;\"\u003e\n\u003cth style=\"padding:12px; text-align:left; border:1px solid #dee2e6;\"\u003eSpreader Type\u003c\/th\u003e\n\u003cth style=\"padding:12px; text-align:left; border:1px solid #dee2e6;\"\u003eSpread Width (m)\u003c\/th\u003e\n\u003cth style=\"padding:12px; text-align:left; border:1px solid #dee2e6;\"\u003eApplication Amount (g)\u003c\/th\u003e\n\u003cth style=\"padding:12px; text-align:left; border:1px solid #dee2e6;\"\u003eSingle Application\u003c\/th\u003e\n\u003cth style=\"padding:12px; text-align:left; border:1px solid #dee2e6;\"\u003eDouble Application\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 #dee2e6;\"\u003eRotary Spreader (Cone Setting 6)\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border:1px solid #dee2e6;\"\u003e5.0\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border:1px solid #dee2e6;\"\u003e20\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border:1px solid #dee2e6;\"\u003eN 1\/2\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border:1px solid #dee2e6;\"\u003eK 1\/2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border:1px solid #dee2e6;\"\u003eSR-2000 or Accupro 2000 (Cone Setting 6)\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border:1px solid #dee2e6;\"\u003e5.0\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border:1px solid #dee2e6;\"\u003e30\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border:1px solid #dee2e6;\"\u003eP\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border:1px solid #dee2e6;\"\u003eM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e \n\u003chr\u003e\n\u003ch3\u003eComposition Analysis Table\u003c\/h3\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse; margin:20px 0;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color:#f8f9fa; border-bottom:2px solid #dee2e6;\"\u003e\n\u003cth style=\"padding:12px; text-align:left; border:1px solid #dee2e6;\"\u003eComponent\u003c\/th\u003e\n\u003cth style=\"padding:12px; text-align:left; border:1px solid #dee2e6;\"\u003eOxide Content\u003c\/th\u003e\n\u003cth style=\"padding:12px; text-align:left; border:1px solid #dee2e6;\"\u003eElemental Content\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"bold-td\" style=\"padding:10px; border:1px solid #dee2e6;\"\u003eTotal Nitrogen (N)\u003c\/td\u003e\n\u003ctd class=\"bold-td\" style=\"padding:10px; border:1px solid #dee2e6;\"\u003e\u003c\/td\u003e\n\u003ctd class=\"bold-td\" style=\"padding:10px; border:1px solid #dee2e6;\"\u003e15.00% N\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border:1px solid #dee2e6;\"\u003eAmmoniacal Nitrogen (NH\u003csub\u003e4\u003c\/sub\u003e)\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border:1px solid #dee2e6;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border:1px solid #dee2e6;\"\u003e1.30%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border:1px solid #dee2e6;\"\u003eUrea Nitrogen (CO(NH\u003csub\u003e2\u003c\/sub\u003e)\u003csub\u003e2\u003c\/sub\u003e)\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border:1px solid #dee2e6;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border:1px solid #dee2e6;\"\u003e13.70%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"bold-td\" style=\"padding:10px; border:1px solid #dee2e6;\"\u003ePhosphorus Pentoxide (P\u003csub\u003e2\u003c\/sub\u003eO\u003csub\u003e5\u003c\/sub\u003e)\u003c\/td\u003e\n\u003ctd class=\"bold-td\" style=\"padding:10px; border:1px solid #dee2e6;\"\u003e5.00%\u003c\/td\u003e\n\u003ctd class=\"bold-td\" style=\"padding:10px; border:1px solid #dee2e6;\"\u003e2.20% P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border:1px solid #dee2e6;\"\u003eWater Soluble (P\u003csub\u003e2\u003c\/sub\u003eO\u003csub\u003e5\u003c\/sub\u003e)\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border:1px solid #dee2e6;\"\u003e3.70%\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border:1px solid #dee2e6;\"\u003e1.60% P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"bold-td\" style=\"padding:10px; border:1px solid #dee2e6;\"\u003ePotassium Oxide (K\u003csub\u003e2\u003c\/sub\u003eO)\u003c\/td\u003e\n\u003ctd class=\"bold-td\" style=\"padding:10px; border:1px solid #dee2e6;\"\u003e15.00%\u003c\/td\u003e\n\u003ctd class=\"bold-td\" style=\"padding:10px; border:1px solid #dee2e6;\"\u003e12.40% K\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border:1px solid #dee2e6;\"\u003eWater Soluble Potassium Oxide (K\u003csub\u003e2\u003c\/sub\u003eO)\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border:1px solid #dee2e6;\"\u003e15.00%\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border:1px solid #dee2e6;\"\u003e12.40% K\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border:1px solid #dee2e6;\"\u003eMagnesium Oxide (MgO)\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border:1px solid #dee2e6;\"\u003e2.00%\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border:1px solid #dee2e6;\"\u003e1.20% Mg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border:1px solid #dee2e6;\"\u003eWater Soluble Magnesium Oxide (MgO)\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border:1px solid #dee2e6;\"\u003e2.00%\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border:1px solid #dee2e6;\"\u003e1.20% Mg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border:1px solid #dee2e6;\"\u003eCalcium Oxide (CaO)\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border:1px solid #dee2e6;\"\u003e2.00%\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border:1px solid #dee2e6;\"\u003e1.40% Ca\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e \n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePackage Size: 25 kg\u003c\/li\u003e\n\u003cli\u003eDuration: 2 Months\u003c\/li\u003e\n\u003cli\u003eSuggested Rate: 20 - 35 g\/m\u003csup\u003e2\u003c\/sup\u003e\n\u003c\/li\u003e\n\u003cli\u003eTurf Reaction Period: 7 days\u003c\/li\u003e\n\u003c\/ul\u003e \n\u003ch2\u003eCommon Questions\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat is the correct method for applying the fertiliser?\u003c\/strong\u003e\u003cbr\u003eSpread on dry grass and follow up with watering for faster results.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIs it possible to use this fertiliser in drought conditions?\u003c\/strong\u003e\u003cbr\u003ePlease refrain from applying during freezing or drought conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhen is the optimal application period?\u003c\/strong\u003e\u003cbr\u003eBest used in spring and summer to promote maximum growth.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"seo-footer\" style=\"margin-top:20px;padding-top:15px;border-top:1px solid #eee;\"\u003e\n\u003ch3\u003eWhy Choose This Slow-Release Fertiliser 15-6-15 with Calcium and Magnesium for Enhanced Turf Growth?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTop-Notch Quality:\u003c\/strong\u003e Ideal for both commercial and trade use — a preferred option for \u003cstrong\u003eprofessional lawn fertiliser UK\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRapid Delivery in the UK:\u003c\/strong\u003e Orders placed by 2pm receive next working day dispatch across the UK\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompetitive Pricing:\u003c\/strong\u003e Affordable options on \u003cstrong\u003eleading turf fertilisers\u003c\/strong\u003e — excellent value for professionals and retailers alike\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfessional Guidance:\u003c\/strong\u003e Seeking advice on \u003cstrong\u003ebuy lawn feed online\u003c\/strong\u003e? Our knowledgeable team is ready to assist\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReputable Supplier:\u003c\/strong\u003e Trusted by councils, educational institutions, sports organizations, and landscapers throughout the UK\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eRelated searches:\u003c\/strong\u003e slow release granular fertiliser, liquid turf feed, sports pitch fertiliser\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- seo-related-start --\u003e\n\u003cdiv style=\"margin-top:30px;padding-top:25px;border-top:2px solid #e8e8e8;\"\u003e\n\u003ch3 style=\"font-size:18px;font-weight:700;margin-bottom:12px;color:#1a1a1a;\"\u003eExplore Related Categories\u003c\/h3\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;gap:8px;margin-bottom:25px;\"\u003e\n\u003ca href=\"https:\/\/turfmasterspro.co.uk\/collections\/fertilisers\" title=\"Shop Fertilisers Online\" style=\"display:inline-block;padding:8px 18px;background:#f5f5f5;border:1px solid #ddd;border-radius:25px;color:#1a1a1a;text-decoration:none;font-size:14px;font-weight:500;transition:all 0.2s;\"\u003eFertilisers\u003c\/a\u003e\n\u003ca href=\"https:\/\/turfmasterspro.co.uk\/collections\/turf-landscaping\" title=\"Shop Turf \u0026amp; Landscaping Online\" style=\"display:inline-block;padding:8px 18px;background:#f5f5f5;border:1px solid #ddd;border-radius:25px;color:#1a1a1a;text-decoration:none;font-size:14px;font-weight:500;transition:all 0.2s;\"\u003eTurf \u0026amp; Landscaping\u003c\/a\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"font-size:18px;font-weight:700;margin-bottom:15px;color:#1a1a1a;\"\u003eYou Might Also Enjoy\u003c\/h3\u003e\n\u003cdiv style=\"display:grid;grid-template-columns:repeat(4,1fr);gap:15px;\"\u003e\n\u003cdiv style=\"border:1px solid #e8e8e8;border-radius:8px;overflow:hidden;background:#fff;transition:box-shadow 0.2s;\"\u003e\n\u003ca href=\"https:\/\/turfmasterspro.co.uk\/products\/premium-mini-granular-fertiliser-14-0-7-20kg\" title=\"Buy Mini-Granular Fertiliser 14-0-7 with Calcium and Magnesium for Enhance\" style=\"text-decoration:none;color:inherit;\"\u003e\n\u003cdiv style=\"width:100%;aspect-ratio:1\/1;overflow:hidden;background:#f9f9f9;\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1001\/0142\/3435\/files\/3cca3fe1379d993f91469ec16fad90e1_400x400.png?v=1779022370\" alt=\"Mini-Granular Fertiliser 14-0-7 with Calcium and Magnesium for Enhance\" style=\"width:100%;height:100%;object-fit:cover;\" loading=\"lazy\"\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding:10px 12px;\"\u003e\n\u003cp style=\"font-size:13px;font-weight:500;color:#1a1a1a;margin:0;line-height:1.4;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;\"\u003eMini-Granular Fertiliser 14-0-7 with Calcium and Magnesium for Enhance\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border:1px solid #e8e8e8;border-radius:8px;overflow:hidden;background:#fff;transition:box-shadow 0.2s;\"\u003e\n\u003ca href=\"https:\/\/turfmasterspro.co.uk\/products\/premium-high-performance-fertiliser-12-0-12\" title=\"Buy Premium High-Performance Fertiliser 12-0-12\" style=\"text-decoration:none;color:inherit;\"\u003e\n\u003cdiv style=\"width:100%;aspect-ratio:1\/1;overflow:hidden;background:#f9f9f9;\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1001\/0142\/3435\/files\/2b9ee99c91add4cb82dcf175720abaf8_400x400.png?v=1779021838\" alt=\"Premium High-Performance Fertiliser 12-0-12\" style=\"width:100%;height:100%;object-fit:cover;\" loading=\"lazy\"\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding:10px 12px;\"\u003e\n\u003cp style=\"font-size:13px;font-weight:500;color:#1a1a1a;margin:0;line-height:1.4;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;\"\u003ePremium High-Performance Fertiliser 12-0-12\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border:1px solid #e8e8e8;border-radius:8px;overflow:hidden;background:#fff;transition:box-shadow 0.2s;\"\u003e\n\u003ca href=\"https:\/\/turfmasterspro.co.uk\/products\/premium-spring-summer-fertiliser-25kg-1\" title=\"Buy Spring \u0026amp; Summer Fertiliser 14-5-10 with Magnesium for Enhanced Turf Gr\" style=\"text-decoration:none;color:inherit;\"\u003e\n\u003cdiv style=\"width:100%;aspect-ratio:1\/1;overflow:hidden;background:#f9f9f9;\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1001\/0142\/3435\/files\/bc72601c9c57c74dbbbed8f09e10654d_400x400.png?v=1779021835\" alt=\"Spring \u0026amp; Summer Fertiliser 14-5-10 with Magnesium for Enhanced Turf Gr\" style=\"width:100%;height:100%;object-fit:cover;\" loading=\"lazy\"\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding:10px 12px;\"\u003e\n\u003cp style=\"font-size:13px;font-weight:500;color:#1a1a1a;margin:0;line-height:1.4;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;\"\u003eSpring \u0026amp; Summer Fertiliser 14-5-10 with Magnesium for Enhanced Turf Gr\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border:1px solid #e8e8e8;border-radius:8px;overflow:hidden;background:#fff;transition:box-shadow 0.2s;\"\u003e\n\u003ca href=\"https:\/\/turfmasterspro.co.uk\/products\/premium-slow-release-fertiliser-25kg\" title=\"Buy Slow-Release Fertiliser 16-7-15 with 2% Magnesium for Enhanced Plant G\" style=\"text-decoration:none;color:inherit;\"\u003e\n\u003cdiv style=\"width:100%;aspect-ratio:1\/1;overflow:hidden;background:#f9f9f9;\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1001\/0142\/3435\/files\/0083546ab220b7e8643c49404f8f1458_400x400.png?v=1779022401\" alt=\"Slow-Release Fertiliser 16-7-15 with 2% Magnesium for Enhanced Plant G\" style=\"width:100%;height:100%;object-fit:cover;\" loading=\"lazy\"\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding:10px 12px;\"\u003e\n\u003cp style=\"font-size:13px;font-weight:500;color:#1a1a1a;margin:0;line-height:1.4;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;\"\u003eSlow-Release Fertiliser 16-7-15 with 2% Magnesium for Enhanced Plant G\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e.seo-related-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}@media(max-width:768px){.seo-related-grid{grid-template-columns:repeat(2,1fr)}}\u003c\/style\u003e\n\u003c\/div\u003e\n\u003c!-- seo-related-end --\u003e","brand":"turfmasterspro.co.uk","offers":[{"title":"Default Title","offer_id":57337317196107,"sku":"168140","price":117.92,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1001\/0142\/3435\/files\/b0283be83989045c764a1e974a578287.png?v=1779022360","url":"https:\/\/turfmasterspro.co.uk\/products\/premium-slow-release-fertiliser-15-6-15","provider":"turfmasterspro.co.uk","version":"1.0","type":"link"}