ToDo Hydro Cal-Magic is a highly effective calcium–magnesium supplement formulated to prevent secondary nutrient deficiencies and promote vigorous, healthy growth in fast-developing crops. This concentrated formula delivers a clean, fully soluble solution of essential Ca and Mg, ensuring optimal plant structure, nutrient uptake, and protection against common disorders such as blossom end rot and tip burn. With a balanced pH of 6.0, Cal-Magic integrates seamlessly into any feeding regimen for both hydroponic and soil-based cultivation systems. Ideal for use with purified or reverse osmosis water, Cal-Magic compensates for critical mineral losses, making it indispensable for growers using soft water or working with high-demand crops like tomatoes, peppers, lettuce, and leafy greens. Its compatibility with drip systems and nutrient reservoirs ensures trouble-free application in automated or manual setups. Detailed feeding guidance is included, and the product aligns with ToDo Hydro’s Advanced Nutritional Technique (ANT) for growers seeking precision and high performance in every phase. CALCIUM–MAGNESIUM SUPPORT: Concentrated Ca and Mg supplement with pH 6.0, formulated to prevent deficiencies and strengthen plant development. ESSENTIAL FOR FAST-GROWING CROPS: Promotes strong cell wall structure, improved nutrient transport, and healthier flowering and fruiting. SYSTEM COMPATIBLE: Works in all hydroponic, aeroponic, and soil-based setups; ideal for use with RO or low-mineral water sources. VERSATILE CROP COVERAGE: Beneficial for both fruiting and leafy crops including tomatoes, peppers, lettuce, and other high Ca–Mg demand plants. CLEAN, FULLY SOLUBLE FORMULA: Will not clog emitters or drip lines; mixes easily with most fertilizers and nutrient regimens. MULTI-SIZE OPTIONS: Available in 8 fl oz, 16 fl oz, 32 fl oz, and 64 fl oz bottles for growers at every scale.