{"product_id":"cal-mag-plus-1-gallon-plant-supplement-corrects-ca-mg-fe","title":"Cal-Mag Plus 1-Gallon Plant Supplement - Corrects Ca, Mg \u0026 Fe","description":"\u003cp\u003eOur review of this 1-gallon Cal-Mag Plus finds it most useful for growers who need a straightforward fix for nutrient shortages. Botanicare formulated this concentrate to supply highly fortified amounts of calcium, magnesium and iron, so the single biggest reason to buy is its targeted correction of common deficiencies without overhauling an existing feeding schedule. The review focuses on ease of use, compatibility with common grow systems, and whether the 2-0-0 NPK blend offers practical benefit beyond trace element correction.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eHighly fortified formula:\u003c\/strong\u003e Provides concentrated calcium, magnesium and iron to correct deficiency symptoms quickly and reliably when mixed into the water.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eFlexible application:\u003c\/strong\u003e Can be added to every watering or used as a foliar spray for faster uptake during acute deficiency situations.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eBroad system compatibility:\u003c\/strong\u003e Suitable for containers, coco, hydro gardens and soil, so it fits into most common home and commercial setups.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eSupplemental use:\u003c\/strong\u003e Designed to work alongside an existing nutrient program so growers do not need to replace their base feed to address Ca and Mg shortfalls.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eLow NPK base:\u003c\/strong\u003e The 2-0-0 NPK formulation supplies minimal nitrogen and no phosphorus or potassium, reducing the risk of altering bloom or vegetative balance when used correctly.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eBotanicare Cal-Mag Plus is aimed at hobby and small-scale growers who notice leaf curling, interveinal chlorosis, or stunted new growth that point to calcium, magnesium or iron shortages. It is especially useful for those using coco mixes, soilless media or recirculating hydro gardens where nutrient lockout and imbalances are more common.\u003c\/p\u003e\n\u003cp\u003eGrowers who prefer an all-in-one base nutrient with balanced NPK might look elsewhere, because this product is a targeted supplement rather than a full feed. Also, those who want organic-certified inputs should verify compatibility, since this is a formulated mineral supplement intended to be mixed and measured into feed water.\u003c\/p\u003e\n\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003eConcentrated dose addresses \u003cstrong\u003ecalcium and magnesium deficiencies\u003c\/strong\u003e effectively when applied properly.\u003c\/li\u003e\n \u003cli\u003eWorks as a foliar spray or soil drench for flexible treatment options.\u003c\/li\u003e\n \u003cli\u003eDesigned to supplement existing nutrient programs without major adjustments.\u003c\/li\u003e\n \u003cli\u003eCompatible with containers, coco, hydro and soil setups common to home growers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003eNot a standalone fertilizer; users must continue their regular nutrient schedule.\u003c\/li\u003e\n \u003cli\u003eRequires careful mixing and dosing to avoid over-application in sensitive setups.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n\u003ctd\u003eProduct\u003c\/td\u003e\n\u003ctd\u003eCal-Mag Plus\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e1-Gallon\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eNPK\u003c\/td\u003e\n\u003ctd\u003e2-0-0\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003ePrimary nutrients\u003c\/td\u003e\n\u003ctd\u003eCalcium, Magnesium, Iron\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eUse methods\u003c\/td\u003e\n\u003ctd\u003eAdd to water or foliar spray\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eCompatible media\u003c\/td\u003e\n\u003ctd\u003eContainers, coco, hydro gardens, soil\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eFor growers who need a reliable correction for Ca, Mg and Fe shortages, the 1-gallon Cal-Mag Plus is a practical, good-value supplement that integrates with most feeding programs. It is not a full fertilizer replacement, but it delivers targeted nutrients in a flexible format that helps restore plant vigor and avoid recurring deficiency issues.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eHow is Cal-Mag Plus applied?\u003c\/strong\u003e\u003cbr\u003eMix well and add to every watering as needed, or apply as a foliar spray for quicker correction of deficiency symptoms.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill this replace my base nutrient?\u003c\/strong\u003e\u003cbr\u003eNo. It is a supplemental product intended to correct calcium, magnesium and iron deficiencies while you continue your normal nutrient regimen.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it be used in hydroponic systems?\u003c\/strong\u003e\u003cbr\u003eYes. The formula is suitable for hydro gardens, containers, coco and soil when mixed according to instructions.\u003c\/p\u003e","brand":"Botanicare","offers":[{"title":"Default Title","offer_id":48253419684059,"sku":"B00BH544B8","price":56.37,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/61Mb3u-UExL.__AC_SX300_SY300_QL70_FMwebp_3bf70bce-4cb6-4715-b79b-df6441f1df57.webp?v=1778293100","url":"https:\/\/gearmusthave.com\/products\/cal-mag-plus-1-gallon-plant-supplement-corrects-ca-mg-fe","provider":"GearMustHave","version":"1.0","type":"link"}