Grodan A-OK 36/40 6/15 Starter Cubes, 1.5" x 1.5", 30 sheets of 98 Terp Derp • Soluble Potash (K2O) 0

• Soluble Potash (K2O) 0

6’ for SPYDR 2x/2p/2i VYPR 2x/2p/2x²

Cyco Commercial is compatible to all water types with no changes needed to the mixture or the amount used

Green spectrum light is mostly reflected by plants

Grodan A-OK 36/40 6/15 Starter Cubes, 1.5" x 1.5", 30 sheets of 98 Terp Derp • Soluble Potash (K2O) 0Grodan 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