Grodan A-OK 36/40 6/15 Starter Cubes, 1.5" x 1.5", 30 sheets of 98 ac-dehumidification-humidification The SG ballast offers a

The SG ballast offers a compact design

refrigerate

Nema 5-15P Plug

100% Natural

Derived from: Fishbone Meal

Grodan A-OK 36/40 6/15 Starter Cubes, 1.5" x 1.5", 30 sheets of 98 ac-dehumidification-humidification The SG ballast offers aGrodan 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