Grodan Pro A-OK 50/40 6/15, 2"x2", case of 1,500 environmental-controllers and stems to get their

and stems to get their start

faster germination and enhanced plant growth for exceptional gardening success

Standards ETL

a few extra inches can make a big difference in the amount of flowers in the tumbler at one time

Easily control the ultimate pressure of this dual-stage rotary vane vacuum pump thanks to its adjustable gas ballast

Grodan Pro A-OK 50/40 6/15, 2"x2", case of 1,500 environmental-controllers and stems to get theirGrodan 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