Grodan-Expert Slab growing-accessories and destroys bacteria and fungus

and destroys bacteria and fungus while adding some additional Vitamin C to the plants

This soil is amended with only the highest quality organic ingredients including bat guano

square wave technology and multi-aspect protection circuitry

56 Or 80 Square Feet (3

Corrects hard water

Grodan-Expert Slab growing-accessories and destroys bacteria and fungusGrodan Stonewool (rockwool) is made from molten rock spun into cotton candy like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different types of fibers. The purpose is to support the requirement of the plant in the different plant stages. Grodan has a tremendous capacity for absorbing nutrient solution while retaining plenty of oxygen