AO Plugs Rockwool 36/40 | 6/15-hole seeds 100% American made

100% American made

even in hard soil or clay

Featuring seven steel tines

If additional calories are needed and the maximum amount of ULTIMATE FINISH™ 25 is being fed

Simply pour your material from a larger bag into the screw top container and spread as much as you like

AO Plugs Rockwool 36/40 | 6/15-hole seeds 100% American madeGrodan 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