{"product_id":"foxfarm-bush-doctor-cal-mag-macro-nutrient","title":"FoxFarm Bush Doctor Cal-Mag Macro-Nutrient 1-0-0 — Calcium \u0026 Magnesium Supplement","description":"\u003cp\u003eFoxFarm \u003cstrong\u003eBush Doctor® Cal-Mag\u003c\/strong\u003e is a liquid \u003cstrong\u003ecalcium and magnesium supplement (1–0–0 with 3% calcium and 0.9% magnesium)\u003c\/strong\u003e that corrects the secondary-nutrient deficiencies behind two of the most common and frustrating garden problems: \u003cstrong\u003eblossom end rot and tip burn\u003c\/strong\u003e. Calcium and magnesium help strengthen cell walls and support healthy fruit development, so your tomatoes, peppers, and fast-growing plants finish strong instead of rotting at the bottom or scorching at the leaf tips. It's \u003cstrong\u003eOMRI Listed® and CDFA Registered\u003c\/strong\u003e for organic gardening, and works in soil, soilless, and hydroponic systems.\u003c\/p\u003e\n\u003cp\u003eMany high-yield feeding programs — and naturally soft or filtered water — can leave plants short on calcium and magnesium right when demand peaks during fruiting. Cal-Mag is the supplement that fills that gap.\u003c\/p\u003e\n\u003ch3\u003eWhy Gardeners Use It\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrevents blossom end rot\u003c\/strong\u003e in tomatoes, peppers, and eggplant by supplying available calcium\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStops tip burn\u003c\/strong\u003e on lettuce and other fast-growing leafy crops\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrengthens cell walls\u003c\/strong\u003e for sturdier stems, leaves, and fruit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupports magnesium\u003c\/strong\u003e — the central atom in chlorophyll — for greener leaves and better photosynthesis\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePairs with any feed program\u003c\/strong\u003e — a supplement, not a replacement for your base nutrients\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOMRI Listed \u0026amp; CDFA Registered\u003c\/strong\u003e for organic gardening; safe for soil and hydroponics\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eGuaranteed Analysis\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTotal Nitrogen (N) 1.0%\u003c\/li\u003e\n\u003cli\u003eAvailable Phosphate (P₂O₅) 0%\u003c\/li\u003e\n\u003cli\u003eSoluble Potash (K₂O) 0%\u003c\/li\u003e\n\u003cli\u003eCalcium (Ca) 3.0%\u003c\/li\u003e\n\u003cli\u003eMagnesium (Mg) 0.9%\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow to Use\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eShake well\u003c\/strong\u003e before each use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMix 1 tsp (5 mL) per gallon (4 L)\u003c\/strong\u003e of water.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBegin just before bud development\u003c\/strong\u003e and continue as needed — \u003cstrong\u003eno more than once per week.\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaintain a pH range of 5.6–6.8.\u003c\/strong\u003e A pH outside this range can reduce the availability of calcium and magnesium to your plants.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat Do the Numbers 1-0-0 Mean?\u003c\/h3\u003e\n\u003cp\u003eThe three numbers on any plant product are the \u003cstrong\u003eN–P–K ratio\u003c\/strong\u003e — the percentage by weight of nitrogen, phosphorus, and potassium. Cal-Mag reads \u003cstrong\u003e1–0–0\u003c\/strong\u003e, and that low number is the whole point:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 — Nitrogen (N):\u003c\/strong\u003e just a trace — enough to ride along, but Cal-Mag isn't meant to be your nitrogen source.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e0 — Phosphorus (P₂O₅):\u003c\/strong\u003e none. This isn't a bloom or root fertilizer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e0 — Potassium (K₂O):\u003c\/strong\u003e none.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe value of this product isn't in the N–P–K line at all — it's in the \u003cstrong\u003e3% calcium and 0.9% magnesium\u003c\/strong\u003e. Those are \u003cem\u003esecondary macronutrients\u003c\/em\u003e: plants need them in real quantities, but most base fertilizers don't supply enough. That's why Cal-Mag is a \u003cstrong\u003esupplement\u003c\/strong\u003e you add alongside your regular feed rather than a stand-alone fertilizer.\u003c\/p\u003e\n\u003cp\u003eStop by Garoppo's to pick one up, or schedule local delivery within our service area.\u003c\/p\u003e","brand":"FoxFarm","offers":[{"title":"1 LB","offer_id":54569868067108,"sku":"50629","price":13.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/5322\/9860\/files\/foxfarm-bush-doctor-cal-mag-1-lb_7cfc5d77-34f8-4914-b15f-a2882a26bf51.png?v=1781019309","url":"https:\/\/garoppos.com\/products\/foxfarm-bush-doctor-cal-mag-macro-nutrient","provider":"Garoppo's Stone \u0026 Garden Center and Feed \u0026 Pet Supply","version":"1.0","type":"link"}