{"product_id":"products-athena-pro-core","title":"Athena Pro Core Soluble Calcium \u0026 Nitrogen Base Fertiliser","description":"\u003ch2\u003eAthena Pro Core – Soluble Calcium, Nitrogen \u0026amp; Micronutrient Fertiliser\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eAthena Pro Core\u003c\/strong\u003e is the foundational dry mineral fertiliser in the Athena Pro Line, providing readily available \u003cstrong\u003enitrogen, calcium and essential micronutrients\u003c\/strong\u003e throughout the crop cycle. Designed for professional horticulture and precision fertigation, Pro Core works alongside Athena Pro Grow during vegetative growth and Athena Pro Bloom during flowering.\u003c\/p\u003e\n\n\u003cp\u003eIts highly refined, fully water-soluble mineral formulation is engineered for clean stock-tank preparation and accurate nutrient delivery. Pro Core dissolves completely at room temperature when correctly prepared, making it particularly suitable for automated dosing systems, high-frequency irrigation and professional fertigation installations.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features \u0026amp; Benefits\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCore component of the Athena Pro Line\u003c\/strong\u003e for use throughout vegetative and flowering growth.\u003c\/li\u003e\n  \u003cli\u003eProvides readily available \u003cstrong\u003enitrogen and calcium\u003c\/strong\u003e alongside essential micronutrients.\u003c\/li\u003e\n  \u003cli\u003eNitrogen supports chlorophyll and amino acid formation.\u003c\/li\u003e\n  \u003cli\u003eCalcium contributes to normal plant structure and development.\u003c\/li\u003e\n  \u003cli\u003eSupplies iron, manganese, copper, zinc, boron and molybdenum.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e100% water-soluble dry mineral formulation\u003c\/strong\u003e designed to dissolve completely at room temperature.\u003c\/li\u003e\n  \u003cli\u003eDesigned to produce clean stock concentrates without unwanted particulates or sediment when correctly mixed.\u003c\/li\u003e\n  \u003cli\u003eCompatible with professional dosing equipment including Dosatron, Netaflex and Rhythm systems.\u003c\/li\u003e\n  \u003cli\u003eSuitable for automated fertigation and high-frequency irrigation programmes.\u003c\/li\u003e\n  \u003cli\u003eLow heavy metal content according to Athena's current product specification.\u003c\/li\u003e\n  \u003cli\u003eConcentrated dry format simplifies storage and reduces the amount of water transported compared with equivalent liquid fertilisers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat Does Athena Pro Core Do?\u003c\/h2\u003e\n\n\u003cp\u003eAthena Pro Core provides the calcium, nitrogen and micronutrient foundation required by the Athena Pro Line. Rather than functioning as a standalone stage-specific fertiliser, Core is combined with the appropriate Pro Line component to create a complete nutrient programme.\u003c\/p\u003e\n\n\u003cp\u003eDuring vegetative growth, \u003cstrong\u003eAthena Pro Core is paired with Athena Pro Grow\u003c\/strong\u003e. When plants transition into flowering and fruiting, \u003cstrong\u003ePro Core is paired with Athena Pro Bloom\u003c\/strong\u003e. This two-part approach allows the main nutrient profile to change between growth stages while maintaining a consistent source of calcium, nitrogen and essential trace elements.\u003c\/p\u003e\n\n\u003ch2\u003ePro Core Nutrient Function\u003c\/h2\u003e\n\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eNutrient\u003c\/th\u003e\n      \u003cth\u003ePrimary Function\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eNitrogen\u003c\/td\u003e\n      \u003ctd\u003eSupports chlorophyll formation, amino acid production and normal vegetative development.\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eCalcium\u003c\/td\u003e\n      \u003ctd\u003eSupports normal cell structure and plant development.\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eIron\u003c\/td\u003e\n      \u003ctd\u003eEssential micronutrient involved in chlorophyll formation and plant metabolic processes.\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eManganese\u003c\/td\u003e\n      \u003ctd\u003eSupports normal enzyme activity and photosynthetic processes.\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eCopper\u003c\/td\u003e\n      \u003ctd\u003eEssential trace element involved in normal plant enzyme processes.\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eZinc\u003c\/td\u003e\n      \u003ctd\u003eSupports normal enzyme activity and plant development.\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eBoron\u003c\/td\u003e\n      \u003ctd\u003eEssential micronutrient involved in normal plant growth and structural development.\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eMolybdenum\u003c\/td\u003e\n      \u003ctd\u003eEssential trace element involved in normal nitrogen metabolism.\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eIngredients\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003eCalcium Nitrate\u003c\/li\u003e\n  \u003cli\u003eIron EDTA\u003c\/li\u003e\n  \u003cli\u003eManganese EDTA\u003c\/li\u003e\n  \u003cli\u003eCopper EDTA\u003c\/li\u003e\n  \u003cli\u003eZinc EDTA\u003c\/li\u003e\n  \u003cli\u003eBoric Acid\u003c\/li\u003e\n  \u003cli\u003eSodium Molybdate\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eUse Pro Core with Pro Grow or Pro Bloom\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eAthena Pro Core is designed to be combined with another Athena Pro Line base fertiliser.\u003c\/strong\u003e The accompanying product changes according to the stage of plant development:\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVegetative Stage:\u003c\/strong\u003e Athena Pro Core + Athena Pro Grow\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlowering Stage:\u003c\/strong\u003e Athena Pro Core + Athena Pro Bloom\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003ePro Grow and Pro Bloom provide the stage-specific NPK profile, while Pro Core supplies the complementary calcium, nitrogen and micronutrients required by the Athena Pro Line feeding programme.\u003c\/p\u003e\n\n\u003ch2\u003ePreparing Athena Pro Core Stock Concentrate\u003c\/h2\u003e\n\n\u003cp\u003eAthena recommends preparing Pro Core as a concentrated liquid stock solution rather than repeatedly adding small quantities of dry fertiliser directly to the final working reservoir.\u003c\/p\u003e\n\n\u003cp\u003eFor metric preparation, Athena's recommended Pro Line concentrate is approximately \u003cstrong\u003e226 g per litre\u003c\/strong\u003e. This is based on approximately \u003cstrong\u003e2 lb (907 g) per 4 litres of final stock solution\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003col\u003e\n  \u003cli\u003eUse a clean stock tank or measuring vessel with accurate volume markings.\u003c\/li\u003e\n  \u003cli\u003ePart-fill the vessel with clean water.\u003c\/li\u003e\n  \u003cli\u003eSlowly add the required amount of Athena Pro Core while continuously stirring or agitating the water.\u003c\/li\u003e\n  \u003cli\u003eContinue mixing until the dry mineral granules have completely dissolved.\u003c\/li\u003e\n  \u003cli\u003eAdd additional water until the required final stock-solution volume is reached.\u003c\/li\u003e\n  \u003cli\u003eMix thoroughly again to produce a completely uniform concentrate.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e Athena's imperial concentrate is based on 2 lb per US gallon, while the metric reference uses 2 lb per 4 litres. Always follow the dosage chart that corresponds with the stock concentration you have prepared.\u003c\/p\u003e\n\n\u003ch2\u003eAthena Pro Core Dosing by Target EC\u003c\/h2\u003e\n\n\u003cp\u003eWhen Pro Core is prepared at Athena's recommended \u003cstrong\u003e226 g\/L metric stock concentration\u003c\/strong\u003e, the following amounts of Pro Core concentrate are used per 10 litres of working nutrient solution according to the desired target EC.\u003c\/p\u003e\n\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eTarget EC\u003c\/th\u003e\n      \u003cth\u003ePro Core Concentrate per 10 L\u003c\/th\u003e\n      \u003cth\u003ePro Grow \/ Bloom Concentrate per 10 L\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e1.0\u003c\/td\u003e\n      \u003ctd\u003e16 mL\u003c\/td\u003e\n      \u003ctd\u003e27 mL\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e1.5\u003c\/td\u003e\n      \u003ctd\u003e25 mL\u003c\/td\u003e\n      \u003ctd\u003e42 mL\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e2.0\u003c\/td\u003e\n      \u003ctd\u003e34 mL\u003c\/td\u003e\n      \u003ctd\u003e57 mL\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e2.5\u003c\/td\u003e\n      \u003ctd\u003e44 mL\u003c\/td\u003e\n      \u003ctd\u003e73 mL\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e3.0\u003c\/td\u003e\n      \u003ctd\u003e54 mL\u003c\/td\u003e\n      \u003ctd\u003e90 mL\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e3.5\u003c\/td\u003e\n      \u003ctd\u003e64 mL\u003c\/td\u003e\n      \u003ctd\u003e107 mL\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e4.0\u003c\/td\u003e\n      \u003ctd\u003e75 mL\u003c\/td\u003e\n      \u003ctd\u003e124 mL\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cp\u003eThese figures apply specifically to a \u003cstrong\u003e226 g\/L stock concentrate\u003c\/strong\u003e. If a different concentrate strength is prepared, the dosing volume must be adjusted accordingly. Always confirm the final nutrient strength with an accurate EC meter.\u003c\/p\u003e\n\n\u003ch2\u003eProfessional Fertigation Compatibility\u003c\/h2\u003e\n\n\u003cp\u003eAthena Pro Core is engineered for complete solubility and clean operation in professional fertigation systems. Athena specifically lists compatibility with:\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eDosatron dosing systems\u003c\/li\u003e\n  \u003cli\u003eNetaflex fertigation systems\u003c\/li\u003e\n  \u003cli\u003eRhythm dosing systems\u003c\/li\u003e\n  \u003cli\u003eStock-tank irrigation systems\u003c\/li\u003e\n  \u003cli\u003eAutomated nutrient injection systems\u003c\/li\u003e\n  \u003cli\u003eHigh-frequency irrigation systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThe fully soluble mineral formulation is designed to minimise unwanted sediment and particulates in stock tanks, reservoirs and irrigation equipment when correctly prepared and maintained.\u003c\/p\u003e\n\n\u003ch2\u003eAvailable Sizes\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\u003cstrong\u003e10 lb \/ approximately 4.54 kg\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003e25 lb \/ approximately 11.34 kg\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eSelect the required Athena Pro Core size from the available product options above.\u003c\/p\u003e\n\n\u003ch2\u003eBest Practice\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003eUse Pro Core alongside the appropriate Athena Pro Grow or Pro Bloom component.\u003c\/li\u003e\n  \u003cli\u003eMeasure dry fertiliser accurately by weight.\u003c\/li\u003e\n  \u003cli\u003ePrepare Pro Core as a separate stock concentrate before dosing the working reservoir.\u003c\/li\u003e\n  \u003cli\u003eDo not combine concentrated Pro Core directly with concentrated Pro Grow or Pro Bloom.\u003c\/li\u003e\n  \u003cli\u003eAdd each concentrate separately to the working nutrient solution.\u003c\/li\u003e\n  \u003cli\u003eAdd dry granules gradually while continuously agitating the stock solution.\u003c\/li\u003e\n  \u003cli\u003eEnsure all material has completely dissolved before dosing.\u003c\/li\u003e\n  \u003cli\u003eMonitor final EC after the nutrient components have been added.\u003c\/li\u003e\n  \u003cli\u003eAdjust nutrient strength according to crop requirements, water quality and irrigation strategy.\u003c\/li\u003e\n  \u003cli\u003eKeep stock tanks, reservoirs, filters and irrigation equipment clean.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eStorage\u003c\/h2\u003e\n\n\u003cp\u003eKeep Athena Pro Core tightly sealed and store in a cool, dry location away from direct sunlight and excessive moisture. Keep water and contaminated measuring equipment out of the dry product to prevent clumping or contamination.\u003c\/p\u003e\n\n\u003ch2\u003eImportant Information\u003c\/h2\u003e\n\n\u003cp\u003eAthena Pro Core is a concentrated professional horticultural fertiliser designed for use as part of the Athena Pro Line. Application rates should be adjusted according to target EC, water quality, crop requirements and irrigation strategy. Always follow the latest Athena Pro Line feed schedule and product instructions.\u003c\/p\u003e","brand":"ATHENA","offers":[{"title":"2 Lb | 900g","offer_id":56245809217921,"sku":"ATHENA-PRO-CORE-0.9KG","price":21.95,"currency_code":"GBP","in_stock":true},{"title":"5 Lb | 2.25KG","offer_id":56245809250689,"sku":"ATHENA-PRO-CORE-02.25KG","price":46.95,"currency_code":"GBP","in_stock":true},{"title":"10 Lb | 4.5KG","offer_id":56245809283457,"sku":"ATHENA-PRO-CORE-0.45KG","price":93.95,"currency_code":"GBP","in_stock":true},{"title":"25 Lb | 11.36KG","offer_id":56245809316225,"sku":"ATHENA-PRO-CORE-11.36KG","price":187.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0565\/5370\/1536\/files\/athena-pro-core-14-0-0-2lb-10lb-family.jpg_2.png?v=1789126265","url":"https:\/\/steelroots.co.uk\/products\/products-athena-pro-core","provider":"Steel Roots ","version":"1.0","type":"link"}