{"product_id":"calmag-dutch-pro","title":"Dutch Pro CalMag – Calcium and Magnesium Corrector for Indoor Growing","description":"\u003ch1\u003eCalMag Dutch Pro: Calcium and Magnesium Supplement for Correction and Prevention\u003c\/h1\u003e\u003cp\u003e\u003cstrong\u003eCalMag\u003c\/strong\u003e from Dutch Pro is a \u003cstrong\u003especialized calcium and magnesium supplement\u003c\/strong\u003e designed for \u003cstrong\u003eprevent and correct deficiencies of these critical secondary macronutrients\u003c\/strong\u003e. Although base nutrients contain calcium and magnesium, specific circumstances require additional supplementation. CalMag formulates this need completely with \u003cstrong\u003eadditional nitrogen to support protein synthesis\u003c\/strong\u003e without creating imbalances.\u003c\/p\u003e\u003ch2\u003eWhy Calcium and Magnesium Are Critical\u003c\/h2\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;\"\u003eNutrient\u003c\/th\u003e\n\u003cth style=\"padding:10px; text-align:left;\"\u003eConcentration in CalMag\u003c\/th\u003e\n\u003cth style=\"padding:10px; text-align:left;\"\u003ePlant Function\u003c\/th\u003e\n\u003cth style=\"padding:10px; text-align:left;\"\u003eDeficiency Symptom\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #ddd;\"\u003e\u003cstrong\u003eCalcium (Ca)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #ddd;\"\u003eMajor proportion\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #ddd;\"\u003eCell wall structure, cell signaling, ion transport\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #ddd;\"\u003eNew leaves deformed, flowers abort, blossom end rot\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #ddd;\"\u003e\u003cstrong\u003eMagnesium (Mg)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #ddd;\"\u003eMajor proportion\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #ddd;\"\u003eCenter of chlorophyll molecule, enzyme cofactor, ATP transfer\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #ddd;\"\u003eLeaves yellow between veins (mottled), interveinal chlorosis\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #ddd;\"\u003e\u003cstrong\u003eNitrogen (N)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #ddd;\"\u003e5%\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #ddd;\"\u003eProtein synthesis, enzyme production, metabolic regulation\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #ddd;\"\u003eGeneral lack of vigor, slow growth\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eNPK Profile by CalMag\u003c\/h2\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;\"\u003eElement\u003c\/th\u003e\n\u003cth style=\"padding:10px; text-align:left;\"\u003eConcentration in CalMag\u003c\/th\u003e\n\u003cth style=\"padding:10px; text-align:left;\"\u003eTechnical Note\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #ddd;\"\u003eNitrogen (N)\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #ddd;\"\u003e5%\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #ddd;\"\u003eSufficient for protein synthesis but not excessive\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #ddd;\"\u003ePhosphorus (P)\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #ddd;\"\u003e0.1%\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #ddd;\"\u003eTrace for compatibility, not objective\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #ddd;\"\u003ePotassium (K)\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #ddd;\"\u003e0.1%\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #ddd;\"\u003eTrace for compatibility, does not interfere with K base nutrients\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #ddd;\"\u003e\u003cstrong\u003eCalcium (Ca)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #ddd;\"\u003e\u003cstrong\u003ePrimary proportion\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #ddd;\"\u003eSoluble form, chelated for maximum availability\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #ddd;\"\u003e\u003cstrong\u003eMagnesium (Mg)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #ddd;\"\u003e\u003cstrong\u003ePrimary proportion\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #ddd;\"\u003eOptimized Ca:Mg balance (typical 5:1 to 3:1)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eFlexible Dosing Protocol\u003c\/h2\u003e\u003cp\u003eCalMag offers \u003cstrong\u003eexceptional flexibility\u003c\/strong\u003e because it can be adjusted according to specific conditions:\u003c\/p\u003e\u003ch3\u003eDosage Range\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimum (hard water, rich substrate):\u003c\/strong\u003e 0.1 mL\/L - light maintenance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard (medium water, normal substrate):\u003c\/strong\u003e 0.5 mL\/L - recommended dose for most\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum (RO water, poor substrate, flowering):\u003c\/strong\u003e 1.0 mL\/L - complete correction\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhen to Increase to Maximum Dose\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRO or very soft water (\u003c 50 PPM):\u003c\/strong\u003e Use 0.8-1.0 mL\/L continuously\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVisual signs of deficiency:\u003c\/strong\u003e Increase to maximum dose for 2-3 weeks\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy flowering (weeks 4-7):\u003c\/strong\u003e Increase to 0.7-1.0 mL\/L to support flower demand\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal or water stress:\u003c\/strong\u003e Magnesium is blocked under stress - increase dose during recovery\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSynergy with Other Additives\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e+ Silica Von Liebig:\u003c\/strong\u003e Silicon improves calcium absorption, perfect complement\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e+Explode:\u003c\/strong\u003e During flowering, both complement each other for maximum floral production.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e+ Amino Strength:\u003c\/strong\u003e Amino acids improve Ca\/Mg transport within the plant\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Dutch pro","offers":[{"title":"1L","offer_id":44305052926117,"sku":"1504","price":18.03,"currency_code":"EUR","in_stock":true},{"title":"5L","offer_id":44305052958885,"sku":"1514","price":85.64,"currency_code":"EUR","in_stock":true},{"title":"10L","offer_id":44305052991653,"sku":"1524","price":163.44,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/1792\/6309\/files\/calmagdutchpro.webp?v=1732227505","url":"https:\/\/www.growindustry.es\/en\/products\/dutch-pro-calmag-calcium-and-magnesium-corrector-for-indoor-growing","provider":"Grow Industry","version":"1.0","type":"link"}