Grodan® Stonewool A-OK 25/40 2" Starter Plugs™ Grow Systems A fusion of science and

A fusion of science and nature

Pure Blend Pro® Grow is beneficial for fruits

Potassium ensures that the plant can produce enough sugars during flowering

Reflector is easily replaceable

6 - 1/2" Tees

Grodan® Stonewool A-OK 25/40 2" Starter Plugs™ Grow Systems A fusion of science andProduct Details Grodan A OK 50 40 2 in x 2 in Plugs (50 Sheet) (30 Sheets Cs) Grodan 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