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Cal-Mag™ Plus is a highly fortified calcium, magnesium and iron plant supplement formulated to correct common deficiencies.
Supplementing your preferred nutrient program with Cal-Mag™ Plus is strongly recommended when using reverse osmosis water and when growing in coco coir-based medias to compensate for natural calcium draw.
Cal-Mag™ Plus can also be applied as a foliar spray to further enhance growth.
Also great as an additive to outdoor vegetable plants, like tomatoes to avoid rot.