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Every grower needs cal-mag plus! This is the one trusted formula that will give your plants what they need: a balance and an optimized ratio of calcium, magnesium and iron. These 3 ingredients are quite literally mission critical for your all your plants growing stages. Use 300 PPM when using RO water.$10.44 – $1,288.66
Advanced Nutrients Sensi Cal-Mag Extra feeds your crops the Calcium, Magnesium, and Iron in the precise ratios they need. It provides superior results over competing brands.$16.65 – $179.86Ships for FREE!Ships for FREE!
Bloom Yellow Bottles Cal-Mag, supplies a healthy dose of calcium and magnesium. Known as secondary macronutrients, calcium and magnesium play a vital role in countless processes. Bloom Yellow Bottles Cal-Mag consists of calcium nitrate, magnesium nitrate, chelated iron and chelated zinc. These elements are integrated into a precise ratio that helps make plants stronger and more productive.$10.80 – $360.00