{"product_id":"jacks-nutrients-15-0-0-calcium-nitrate-part-b-fertilizer","title":"Jack's Nutrients 15-0-0 Calcium Nitrate Part B Fertilizer","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eComplete your hydroponic feeding program with Jack's Nutrients 15-0-0 Calcium Nitrate Part B, a professional-grade water-soluble fertilizer formulated to deliver highly available calcium and nitrate nitrogen for vigorous plant growth, stronger cell structure, and optimal nutrient uptake. Designed to work alongside Part A formulas such as Jack's Nutrients 5-12-26, this trusted two-part system provides growers with precise control over plant nutrition while supporting healthy development from vegetative growth through harvest.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eWidely used in hydroponics, greenhouse production, fertigation systems, and continuous liquid feeding programs, Jack's 15-0-0 Calcium Nitrate supplies essential calcium that helps prevent common deficiency issues while promoting stronger stems, healthier roots, and lush green foliage.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhy Growers Choose Jack's 15-0-0 Calcium Nitrate Part B\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eProvides a highly available source of calcium and nitrate nitrogen\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSupports strong cell wall development and overall plant structure\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eEncourages vigorous vegetative growth and healthy foliage\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHelps prevent calcium-related nutrient deficiencies\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDesigned for hydroponics, fertigation, greenhouse production, and continuous liquid feeding\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eWorks seamlessly with Jack's Nutrients Part A formulas for complete plant nutrition\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFully water-soluble for easy mixing and efficient nutrient delivery\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eProfessional-grade formula trusted by commercial and home growers\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eEssential Calcium for Stronger, Healthier Plants\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eCalcium plays a critical role in plant development by strengthening cell walls, supporting root growth, and improving nutrient transport throughout the plant. Jack's Nutrients 15-0-0 delivers calcium in a highly soluble form that plants can readily absorb, helping maintain vigorous growth and improved plant performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe nitrate nitrogen component provides a readily available nitrogen source that supports lush green growth without sacrificing nutrient balance within your feeding program.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003ePerfect for Hydroponics \u0026amp; Fertigation Systems\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eJack's 15-0-0 Calcium Nitrate Part B is commonly used in:\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\u003eGreenhouse Production\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCommercial Crop Production\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSoilless Growing Media\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eContinuous Liquid Feeding Programs\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eRecommended Feeding Program\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eFor many hydroponic applications, growers commonly use:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003e3.6 grams per gallon of Jack's Part A (5-12-26)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e2.4 grams per gallon of Jack's 15-0-0 Calcium Nitrate Part B\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eAlways follow crop-specific feeding schedules and adjust nutrient strength according to plant stage and environmental conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eImportant Mixing Instructions\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eTo prevent nutrient lockout and precipitation, Part A and Part B fertilizers should never be mixed together in concentrated form.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eFor best results:\u003c\/span\u003e\u003c\/p\u003e\n\u003col data-spread=\"false\" start=\"1\"\u003e\n\u003cli\u003e\u003cspan\u003eFill your reservoir or mixing container with water.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDissolve Part A completely.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAllow thorough mixing.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAdd Part B separately and mix thoroughly.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAdjust pH as needed.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eProper mixing ensures maximum nutrient availability and helps maintain a stable nutrient solution.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eGuaranteed Analysis\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cspan\u003eTotal Nitrogen (N): 15%\u003c\/span\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003e14.4% Nitrate Nitrogen\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e0.6% Ammoniacal Nitrogen\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCalcium (Ca): 19%\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eIdeal For\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eHydroponic Growing 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\u003cli\u003e\u003cspan\u003eFertigation Programs\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eContinuous Liquid Feeding\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHigh-Performance Plant Nutrition Programs\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003ePro Growing Tip\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe popular Jack's 3-2-1 feeding program utilizes Jack's 5-12-26 Part A, Jack's 15-0-0 Calcium Nitrate Part B, and magnesium sulfate to provide a complete, balanced nutrient solution trusted by growers worldwide. Proper mixing order and accurate measurements are key to achieving optimal plant health and nutrient availability.\u003c\/span\u003e\u003c\/p\u003e","brand":"Jack's Classic","offers":[{"title":"25 lb","offer_id":51380606861476,"sku":"JRP79080","price":48.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1298\/4199\/files\/Jack_s-Nutrients-15-0-0-Calcium-Nitrate-Part-B-Fertilizer_-25-lb-115110166.jpg?v=1781212057","url":"https:\/\/www.gardensupplyguys.com\/products\/jacks-nutrients-15-0-0-calcium-nitrate-part-b-fertilizer","provider":"GARDEN SUPPLY GUYS","version":"1.0","type":"link"}