{"product_id":"jacks-nutrients-5-12-26-part-a-fertilizer","title":"Jack's Nutrients 5-12-26 Part A Fertilizer","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eBuild the foundation of a high-performance feeding program with Jack's Nutrients 5-12-26 Part A. This professional-grade, fully water-soluble fertilizer is trusted by commercial growers, greenhouse operators, and advanced home gardeners for delivering precise nutrition in hydroponic systems, fertigation programs, and continuous liquid feeding applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eDesigned as the cornerstone of Jack's renowned two-part nutrient system, 5-12-26 Part A provides essential primary nutrients and a complete micronutrient package that supports vigorous plant growth, healthy root development, and exceptional crop performance. When paired with Jack's 15-0-0 Calcium Nitrate Part B, growers gain complete control over plant nutrition while maintaining maximum nutrient availability.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eWhy Growers Choose Jack's 5-12-26 Part A\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eProfessional-grade hydroponic base fertilizer\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDesigned for use in two-part nutrient programs\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSupports vigorous root growth and healthy plant development\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eProvides essential phosphorus and potassium for strong plant performance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eContains a complete package of micronutrients\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFully water-soluble with no residue or sediment\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHelps prevent clogged irrigation lines, emitters, and drippers\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTrusted by commercial greenhouses and hobby growers worldwide\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIdeal for hydroponics, coco coir, soilless media, and fertigation systems\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eThe Foundation of the Jack's Nutrient System\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eJack's 5-12-26 serves as the primary nutrient base in one of the most widely used hydroponic feeding programs available today. The formula is specifically designed to work alongside calcium nitrate and magnesium sulfate, allowing growers to create a complete and balanced nutrient solution while maintaining optimal nutrient availability.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis flexible approach provides excellent control over nutrient ratios while helping plants achieve vigorous growth throughout every stage of development.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eComplete Plant Nutrition\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eNitrogen (5%)\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eSupports healthy vegetative growth while allowing flexibility when combined with supplemental calcium nitrate.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003ePhosphate (12%)\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eEncourages strong root development, energy production, and overall plant health.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003ePotash (26%)\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003ePromotes plant vigor, nutrient movement, stress tolerance, flower development, and crop quality.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eEssential Micronutrients\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eJack's 5-12-26 includes a complete micronutrient package that supports:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eChlorophyll production\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHealthy leaf development\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eEfficient nutrient uptake\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRoot growth\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePhotosynthesis\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eOverall plant vitality\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eIdeal for Hydroponic Growing Systems\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe clean, highly soluble formula makes Jack's 5-12-26 an excellent choice for:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eDeep Water Culture (DWC)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRecirculating Hydroponic Systems\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDrip Irrigation Systems\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFertigation Programs\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCoco Coir Growing\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRockwool Systems\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGreenhouse Production\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCommercial Cultivation\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSoilless Growing Media\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eBecause the formula dissolves completely in water, growers can confidently use it in automated feeding systems without worrying about sediment buildup or clogged equipment.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eClean, Residue-Free Solubility\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eOne of the biggest advantages of Jack's Nutrients 5-12-26 is its exceptional solubility. The fertilizer dissolves rapidly and completely, helping maintain clean reservoirs, irrigation lines, emitters, and injectors.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis makes it especially valuable for commercial operations and growers running automated irrigation systems where reliability is critical.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eCommon Feeding Programs\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eMany growers use Jack's 5-12-26 as part of the popular Jack's 3-2-1 feeding method, pairing it with:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eJack's 15-0-0 Calcium Nitrate Part B\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMagnesium Sulfate (Epsom Salt)\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eTogether, these components create a complete nutrient solution capable of supporting vigorous growth, healthy roots, and outstanding crop performance throughout the growing cycle.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eIdeal For\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eHydroponic Systems\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCoco Coir Cultivation\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGreenhouse Production\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCommercial Growing Operations\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIndoor Gardens\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAutomated Irrigation Systems\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFertigation Programs\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eContainer Growing\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSoilless Media\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHigh-Yield Crop Production\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eWhy Professional Growers Trust Jack's Nutrients\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eFor decades, growers have relied on Jack's Nutrients for consistent quality, precise formulations, and dependable results. The 5-12-26 Part A formula continues that tradition by providing the nutrient foundation needed to maximize plant health, growth rates, and overall crop performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003ePro Growing Tip\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eFor best results, use Jack's 5-12-26 Part A in combination with Jack's 15-0-0 Calcium Nitrate Part B and magnesium sulfate as part of a complete feeding program. Always dissolve each component separately in water before mixing to ensure maximum nutrient availability and prevent precipitation.\u003c\/span\u003e\u003cmeta charset=\"utf-8\"\u003e\u003c\/p\u003e","brand":"Jack's Classic","offers":[{"title":"25 lb","offer_id":51380609188004,"sku":"JRP79030","price":94.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1298\/4199\/products\/Jack-s_-Nutrients-5-12-26-Part-A-Fertilizer_-25-lb-Jack-s-Classic-1674839622.jpg?v=1674839623","url":"https:\/\/www.gardensupplyguys.com\/products\/jacks-nutrients-5-12-26-part-a-fertilizer","provider":"GARDEN SUPPLY GUYS","version":"1.0","type":"link"}