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Ships within 48 hours · Estimated delivery Aug 17 - Aug 22
giving you enough for 90 one-gallon plant pots
Depth: 1-1/2"
Large 12" twist lid
California Teaching Greenhouse Package Includes:
Grodan Improved Gro-Block Media Amount:64 blocks giving you enough for 90Grodan 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
US$ 30.00
US$ 79.00
US$ 25.00
