Grodan A-OK 50/40 6/15 Cubes, 2" x 2", 30 sheets of 50 microbial fertilizer 000 T15 12

000 T15 12

and a water-resistant seal to protect against misting and sprays

the DE Metal Halide lamp offers spectral distribution optimized for photosynthesis efficiency with PAR output of up to 1800 μmol/s

Consistent shape of the seed hole

Fish Bone Meal

Grodan A-OK 50/40 6/15 Cubes, 2" x 2", 30 sheets of 50 microbial fertilizer 000 T15 12Grodan 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