Grow More Mendocino Flowering Cal Mag 2.5 Gallon Hot-deal Gro-Blocks are similar to a

Gro-Blocks are similar to a plant container

Use during the entire growing cycle in all types of growing media

full flow for quick watering

Not for use with drippers

They offer improved PAR values and increased PAR/lumen maintenance (up to 90% PAR at 10

Grow More Mendocino Flowering Cal Mag 2.5 Gallon Hot-deal Gro-Blocks are similar to aThe only NO NITROGEN Calcium Magnesium supplement on the market. A hydroponic plant nutrient solution that is a proprietary blend of calcium and magnesium that contains NO NITROGEN. Created to boost fruit and flower yield as well as prevent blossom end rot. Flowering Cal Mag helps plants enhance water and nutrient uptake, while establishing a larger crop yield and healthier plants. Can be used growing with coco, soil, or hydroponically.