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non-spiraling root systems that are impossible to develop in any other available container
decarboxylation
and foster overall plant vigor
Guaranteed not to clog emitter lines
Grodan Hugo 6x6x6 Gro-Block (Case of 64) ac-dehumidification-humidification non-spiraling root systems that areGrodan 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
