{"product_id":"greenhouse-powder-feeding-calmag","title":"Greenhouse Powder Feeding CalMag","description":"\u003ch2\u003eGreen House Feeding CalMag – Highly Effective Calcium Magnesium Fertilizer for All Cultivation Methods (125g | 500g | 1kg | 2.5kg)\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eGreen House Feeding CalMag\u003c\/strong\u003e is the ideal solution for growers who want to ensure a reliable supply of \u003cstrong\u003ecalcium and magnesium\u003c\/strong\u003e to their plants – two essential elements for vigorous growth, robust cell structure, and premium fruit quality. Whether you are using \u003cstrong\u003ehydroponics\u003c\/strong\u003e, \u003cstrong\u003ecoco substrate\u003c\/strong\u003e, \u003cstrong\u003esoil\u003c\/strong\u003e, or an automatic \u003cstrong\u003eirrigation system\u003c\/strong\u003e – this highly soluble EC fertilizer ensures rapid nutrient availability and maximum application efficiency.\u003c\/p\u003e\n\n\u003ch3\u003eSuitable for All Cultivation Systems – from Indoor Grow to Professional Greenhouse\u003c\/h3\u003e\n\u003cp\u003eThanks to its outstanding purity and \u003cstrong\u003echlorine-free formulation\u003c\/strong\u003e, Green House Feeding CalMag is suitable for both \u003cstrong\u003efoliar feeding\u003c\/strong\u003e and \u003cstrong\u003efertigation\u003c\/strong\u003e. The fertilizer dissolves completely in water, making it perfect for dosing systems such as \u003cstrong\u003eDosatron\u003c\/strong\u003e or \u003cstrong\u003eNetafim\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eAvailable Sizes for Every Requirement:\u003c\/h3\u003e\n\u003cul\u003e\n\n  \u003cli\u003e\n\n\u003cstrong\u003e125g\u003c\/strong\u003e – Ideal for small grow projects or as a supplement for soft water\u003c\/li\u003e\n\n  \u003cli\u003e\n\n\u003cstrong\u003e500g\u003c\/strong\u003e – Perfect for hobby gardeners and ambitious indoor growers\u003c\/li\u003e\n\n  \u003cli\u003e\n\n\u003cstrong\u003e1kg\u003c\/strong\u003e – For regular use in home or small commercial cultivation\u003c\/li\u003e\n\n  \u003cli\u003e\n\n\u003cstrong\u003e2.5kg\u003c\/strong\u003e – For commercial applications or long-term supply\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003ch3\u003eAnalysis (EC Fertilizer):\u003c\/h3\u003e\n\u003cul\u003e\n\n  \u003cli\u003e\n\n\u003cstrong\u003eTotal Nitrogen (N):\u003c\/strong\u003e 13.5%\u003c\/li\u003e\n\n  \u003cli\u003e– Nitrate Nitrogen (N-NO₃): 13.1%\u003c\/li\u003e\n\n  \u003cli\u003e– Ammonium Nitrogen (N-NH₄): 0.4%\u003c\/li\u003e\n\n  \u003cli\u003e\n\n\u003cstrong\u003eCalcium Oxide (CaO):\u003c\/strong\u003e 16.7% (water-soluble)\u003c\/li\u003e\n\n  \u003cli\u003e\n\n\u003cstrong\u003eMagnesium Oxide (MgO):\u003c\/strong\u003e 6.0% (water-soluble)\u003c\/li\u003e\n\n  \u003cli\u003e\n\n\u003cstrong\u003eEC (1g\/L):\u003c\/strong\u003e 1.2 mS\/cm\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003ch3\u003eRecommended Application:\u003c\/h3\u003e\n\u003cul\u003e\n\n  \u003cli\u003e\n\n\u003cstrong\u003eFoliar Feeding:\u003c\/strong\u003e 0.2 g\/L every 10 days (if deficiency is visible)\u003c\/li\u003e\n\n  \u003cli\u003e\n\n\u003cstrong\u003eFertigation with Soft Water:\u003c\/strong\u003e 0.5 g\/L (0.6 EC)\u003c\/li\u003e\n\n  \u003cli\u003e\n\n\u003cstrong\u003eHard Water:\u003c\/strong\u003e 0.2 g\/L 1–2x per week\u003c\/li\u003e\n\n  \u003cli\u003e\n\n\u003cstrong\u003eStock Solution:\u003c\/strong\u003e 10–15 kg\/100 L for dosing systems\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003ch3\u003eTips \u0026amp; Tricks:\u003c\/h3\u003e\n\u003cul\u003e\n\n  \u003cli\u003eDo not mix CalMag with other calcium supplements.\u003c\/li\u003e\n\n  \u003cli\u003eAlways use an \u003cstrong\u003eEC meter\u003c\/strong\u003e for precise dosing.\u003c\/li\u003e\n\n  \u003cli\u003eCan be combined with all Green House Feeding base fertilizers such as Hybrids, Short Flowering, or Booster.\u003c\/li\u003e\n\n  \u003cli\u003eTo avoid nitrogen late in flowering, discontinue CalMag in week 6 and replace with GHF Calcium Chelate.\u003c\/li\u003e\n\n  \u003cli\u003eAlso combinable with fertilizers from other manufacturers.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003ch3\u003eScope of Delivery:\u003c\/h3\u003e\n\u003cul\u003e\n\n  \u003cli\u003e1x Green House Feeding CalMag Powder Fertilizer – depending on selection: 125g, 500g, 1kg or 2.5kg\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003ch3\u003eYour Advantages at a Glance:\u003c\/h3\u003e\n\u003cul\u003e\n\n  \u003cli\u003eFast-acting calcium and magnesium source\u003c\/li\u003e\n\n  \u003cli\u003ePerfect for all cultivation systems \u0026amp; substrates\u003c\/li\u003e\n\n  \u003cli\u003eExcellent water solubility \u0026amp; dispensability\u003c\/li\u003e\n\n  \u003cli\u003eSupports vigorous plants, healthy roots \u0026amp; high yields\u003c\/li\u003e\n\n  \u003cli\u003eManufactured by one of the leading producers in professional plant cultivation\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003ch3\u003eFAQ – Frequently Asked Questions about Green House Feeding CalMag\u003c\/h3\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Für welche Anbausysteme eignet sich CalMag von Green House?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"CalMag ist für Erde, Coco, Hydroponik sowie für Bewässerungssysteme wie Dosatron und Netafim geeignet.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Kann ich CalMag mit anderen Düngern kombinieren?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Ja, CalMag kann mit anderen Basisdüngern kombiniert werden – jedoch nicht mit anderen Calciumzusätzen.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Wie erkenne ich einen Calciummangel?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Typische Symptome sind verkrüppelte neue Blätter, langsames Wachstum und braune Blattspitzen.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Ist CalMag auch für organische Grows geeignet?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"CalMag ist ein mineralischer Dünger und eignet sich primär für nicht-organische Anbauweisen.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\n\u003ch3\u003eManufacturer Information:\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eGHSC Trading BV\u003c\/strong\u003e\u003cbr\u003e\nKeienbergweg 51\u003cbr\u003e\n1101 GA Amsterdam\u003cbr\u003e\nNetherlands\u003cbr\u003e\nE-Mail: \u003ca href=\"mailto:wholesale@ghsctrading.com\"\u003ewholesale@ghsctrading.com\u003c\/a\u003e\u003c\/p\u003e\n\n\u003ch3\u003eGSPR Address:\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eGHSC Trading BV\u003c\/strong\u003e\u003cbr\u003e\nKeienbergweg 51\u003cbr\u003e\n1101 GA Amsterdam\u003cbr\u003e\nNetherlands\u003c\/p\u003e\n","brand":"Green House Powder Feeding","offers":[{"title":"125 g","offer_id":51410524897546,"sku":"","price":7.0,"currency_code":"EUR","in_stock":true},{"title":"500 g","offer_id":51410524930314,"sku":"","price":11.0,"currency_code":"EUR","in_stock":true},{"title":"1 kg","offer_id":51410524963082,"sku":"","price":17.5,"currency_code":"EUR","in_stock":true},{"title":"2.5 kg","offer_id":51410524995850,"sku":"","price":35.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0704\/5700\/0202\/files\/Unbenannt_33.png?v=1751016622","url":"https:\/\/vetter-grow.de\/en\/products\/greenhouse-powder-feeding-calmag","provider":"Vetter Grow","version":"1.0","type":"link"}