Grodan® Stonewool A-OK 36/40 1.5" Starter Plugs™ Wrap Mercury Be sure to refrigerate after

Be sure to refrigerate after opening and avoid contaminating the bottle with foreign material such as soil or plant residues

most affordable grow room available

2 oz per plant per year of age to a maximum of 16 oz per plant

wall mount housing

Recommended pumps: AAPW800 or AAPW1000 or AAPC1010

Grodan® Stonewool A-OK 36/40 1.5" Starter Plugs™ Wrap Mercury Be sure to refrigerate afterProduct Details Grodan A OK 36 40 1. 5 in x 1. 5 in Plugs (98 Sheet) (30 Sheets Cs) WRAP 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