![Botanicare Cal-Mag Plus 4L](http://dieppehydroponics.com/cdn/shop/products/calmag_ee5a7349-98cf-4047-ab5b-0f785c5d1994_{width}x.png?v=1644092707)
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.