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. Some sizes may not be stocked in all locations.
Grow + Bloom
Write Your Own Review
Use spaces to separate tags. Use single quotes (') for phrases.
Why? Everyone claims they have the lowest prices, best selection and are the most knowledgeable. But we guarantee it! We founded this company with over 28 years of hydroponic and indoor gardening experience. We opened up our hydroponic farm in 1996...