{"product_id":"grow-a-b-agua-dura-dutch-pro","title":"Dutch Pro Grow Soil A+B Hard Water – Soil Growth Fertilizer for Indoor Growing","description":"\u003ch1\u003eGrow Tierra A+B Hard Water Dutch Pro: Base Nutrients Optimized for Calcareous Soils\u003c\/h1\u003e\u003cp\u003e\u003cstrong\u003eGrow A+B Hard Water\u003c\/strong\u003e is Dutch Pro's professional nutritional solution designed specifically for \u003cstrong\u003esoil crops in areas with hard water\u003c\/strong\u003e (PPM greater than 150). This two-component formulation (A and B) represents \u003cstrong\u003e40 years of improvement in professional nutrients\u003c\/strong\u003e, based on Liebig's Law of the minimum to ensure that plants never suffer nutritional deficiencies during the vegetative growth phase.\u003c\/p\u003e\u003ch2\u003eOptimized Formulation for Hard Water\u003c\/h2\u003e\u003cp\u003eHard water contains high concentrations of calcium and magnesium that can \u003cstrong\u003einterfere with the availability of other essential nutrients\u003c\/strong\u003e. Dutch Pro has specifically reformulated Grow Tierra A+B to compensate for these water characteristics, providing nutritional ratios that are \u003cstrong\u003eadapt to the chemical composition of calcareous water\u003c\/strong\u003e. This allows growers to use tap water without the need for expensive filtration, maintaining optimal nutritional availability at all times.\u003c\/p\u003e\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n\u003ctr style=\"background-color:#2c5f2d; color:white;\"\u003e\n\u003cth style=\"padding:10px; text-align:left;\"\u003eComponent\u003c\/th\u003e\n\u003cth style=\"padding:10px; text-align:left;\"\u003eNPK Profile\u003c\/th\u003e\n\u003cth style=\"padding:10px; text-align:left;\"\u003eFeatures\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #ddd;\"\u003e\u003cstrong\u003eGrow Soil A+B Ratio\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #ddd;\"\u003e3-2-5\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #ddd;\"\u003eFormulation adapted for hard water with PPM \u003e 150\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #ddd;\"\u003eRecommended Dosage\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #ddd;\"\u003e2.5-3.5mL\/L\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #ddd;\"\u003eBalanced proportion of both components\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #ddd;\"\u003eTarget EC Level\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #ddd;\"\u003e1.5-2.0\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #ddd;\"\u003eOptimal for vegetative development without toxicity\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #ddd;\"\u003eMacronutrients\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #ddd;\"\u003efull NPK\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #ddd;\"\u003e17 essential nutrients according to Liebig's Law\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eTwo Component System: Advanced Chemical Structure\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eseparation into components A and B\u003c\/strong\u003e It obeys fundamental chemical reasons. Certain elements cannot coexist in concentrated form because \u003cstrong\u003ethey would react to each other\u003c\/strong\u003e, reducing bioavailability. For this, Dutch Pro provides:\u003c\/p\u003e\u003ch3\u003eComponent A\u003c\/h3\u003e\u003cp\u003eIt contains nitrogen, potassium, and chelated micronutrients that remain stable in high concentration. It is added first to the water tank.\u003c\/p\u003e\u003ch3\u003eComponent B\u003c\/h3\u003e\u003cp\u003eContains phosphorus, calcium, magnesium and other elements that are added after completely mixing Component A. This \u003cstrong\u003eaddition sequence is critical\u003c\/strong\u003e to maintain maximum nutritional availability.\u003c\/p\u003e\u003ch2\u003ePrecise Application Protocol\u003c\/h2\u003e\u003cp\u003eFor maximum effectiveness, \u003cstrong\u003ealways follow this exact order\u003c\/strong\u003e:\u003c\/p\u003e\u003col\u003e\n\u003cli\u003eFill tank with hard water (natural pH and EC)\u003c\/li\u003e\n\u003cli\u003eAdd Grow A and mix thoroughly for 2-3 minutes\u003c\/li\u003e\n\u003cli\u003eAdd Grow B in the same proportion (identical mL\/L) and mix another 2-3 minutes\u003c\/li\u003e\n\u003cli\u003eCheck final EC (must be in range 1.5-2.0)\u003c\/li\u003e\n\u003cli\u003eApply through ordinary irrigation at normal frequency\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch2\u003eBenefits for Crops on Land\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eSoil substrates contain beneficial organisms and porous structure\u003c\/strong\u003e that interact with Grow A+B in unique ways:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMicrobial stimulation:\u003c\/strong\u003e Dutch Pro nutrients favor beneficial rhizobacteria that increase soil nutritional availability\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBalanced retention:\u003c\/strong\u003e The formulation takes advantage of the cation exchange capacity of the earth for prolonged availability\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStable pH:\u003c\/strong\u003e Adapted to maintain optimal pH (6.0-6.5) even with very calcareous water\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUse of native nutrients:\u003c\/strong\u003e Does not deplete the minerals present in quality soil\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePerformance Comparison: Hard Water vs Soft Water\u003c\/h2\u003e\u003cp\u003eUsing a formula not adapted to hard water typically results in \u003cstrong\u003eiron, manganese and zinc deficiencies\u003c\/strong\u003e within 3-4 weeks. Grow Tierra A+B Agua Dura prevents these problems through specific chelation and adjusted ratios, guaranteeing \u003cstrong\u003egrowth without visible deficiencies\u003c\/strong\u003e throughout the vegetative phase.\u003c\/p\u003e","brand":"Dutch pro","offers":[{"title":"1L","offer_id":43895477272741,"sku":"1410","price":12.03,"currency_code":"EUR","in_stock":true},{"title":"5L","offer_id":43895477305509,"sku":"1420","price":26.85,"currency_code":"EUR","in_stock":true},{"title":"10L","offer_id":43895477338277,"sku":"1450","price":43.46,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/1792\/6309\/files\/grow-ab-20-dura.png?v=1718314045","url":"https:\/\/www.growindustry.es\/en-en\/products\/dutch-pro-grow-soil-a-b-hard-water-soil-growth-fertilizer-for-indoor-growing","provider":"Grow Industry","version":"1.0","type":"link"}