{"product_id":"botanicare-cal-mag-plus-plant-supplement-corrects-calcium","title":"Botanicare Cal-Mag Plus Plant Supplement - Corrects Calcium","description":"\u003cp\u003eIn this review of Botanicare Cal-Mag Plus the bottom line is simple: this concentrated 2-0-0 supplement is aimed at growers who need a reliable correction for calcium and magnesium deficiencies. The reviewer found it most valuable for those using reverse osmosis water or coco coir medias where calcium draw is common, and appreciated that it can be added to a regular nutrient program or used as a foliar spray. The formula also includes iron, which helps green-up plants showing nutrient imbalance, making it a practical addition for gardeners focusing on strong vegetative growth and healthy transitions into bloom.\u003c\/p\u003e\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 common nutrient deficiencies in a single product.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCorrects deficiencies:\u003c\/strong\u003e Helps reverse symptoms of calcium and magnesium lack so plants show steadier growth and fewer tip burns.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eUse across growth stages:\u003c\/strong\u003e Safe for vegetative, transition, and bloom stages to maintain consistent nutrient availability.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eRecommended for RO water:\u003c\/strong\u003e Compensates for minerals stripped by reverse osmosis systems so growers maintain balanced feed water.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eWorks with coco media:\u003c\/strong\u003e Addresses natural calcium draw in coco coir based medias to prevent deficiency-related growth issues.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eFoliar application option:\u003c\/strong\u003e Can be applied as a foliar spray to quickly address leaf symptoms and boost short-term uptake.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eBotanicare Cal-Mag Plus is best for hobby and small commercial growers who supplement with custom nutrient programs, especially those using reverse osmosis water or coco coir. The product suits growers who need a targeted correction for calcium and magnesium while keeping a simple dosing routine.\u003c\/p\u003e\n\u003cp\u003eGrowers who already use a complete calibrated nutrient line without mineral depletion or who prefer single-ingredient amendments for each mineral might look elsewhere; this product is optimized as a combined Ca-Mg-Fe supplement rather than separate, granular control of each element.\u003c\/p\u003e\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 triple-action formula supplies calcium, magnesium, and iron in one addition for ease of use.\u003c\/li\u003e\n \u003cli\u003eRecommended for reverse osmosis and coco systems where mineral depletion is common, providing reliable correction.\u003c\/li\u003e\n \u003cli\u003eFlexible use across vegetative to bloom stages and as a foliar spray speeds recovery from deficiency signs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003eCombined formulation reduces the ability to fine-tune each mineral independently for growers who need that level of control.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n\u003ctd\u003eProduct name\u003c\/td\u003e\n\u003ctd\u003eBotanicare Cal-Mag Plus\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eAnalysis\u003c\/td\u003e\n\u003ctd\u003e2-0-0 (Calcium, Magnesium, Iron)\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\u003eRecommended use\u003c\/td\u003e\n\u003ctd\u003eVegetative, transition, and bloom stages\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eRoot feed or foliar spray\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eRecommended for water types\u003c\/td\u003e\n\u003ctd\u003eReverse osmosis and depleted water supplies\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMedia compatibility\u003c\/td\u003e\n\u003ctd\u003eCoco coir based medias and traditional media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eBotanicare Cal-Mag Plus is a sensible, cost-effective supplement for anyone dealing with calcium or magnesium shortfalls, particularly when using RO water or coco coir. Its combined Ca-Mg-Fe formulation simplifies supplementation and the foliar option aids quick recovery, making it a practical addition to most nutrient programs where steady plant health is the priority.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use this with reverse osmosis water?\u003c\/strong\u003e\u003cbr\u003eYes. It is strongly recommended for RO water to replace minerals removed by filtration and prevent deficiencies.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it safe during bloom?\u003c\/strong\u003e\u003cbr\u003eYes. The formulation is intended for use during vegetative, transition, and bloom stages to maintain nutrient balance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it be applied as a foliar spray?\u003c\/strong\u003e\u003cbr\u003eYes. Cal-Mag Plus can be mixed for foliar application to help quickly correct leaf deficiency symptoms.\u003c\/p\u003e","brand":"Botanicare","offers":[{"title":"Default Title","offer_id":48234048749787,"sku":"B0CVNNJB79","price":59.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71gOMVjcB8L._AC_SL1500.jpg?v=1770738202","url":"https:\/\/gearmusthave.com\/products\/botanicare-cal-mag-plus-plant-supplement-corrects-calcium","provider":"GearMustHave","version":"1.0","type":"link"}