Grodan Grow-Cubes, 1 cu ft, case of 6 plant-support Tube Types: E-tubes or F-tubes

Tube Types: E-tubes or F-tubes (selected by model)

When you're ready for your new filter

CMH lamps have a very broad spectrum and is closer to simulating natural daylight than any other form of HID lamp

It foams less than the regular formula of Sea Green

The 020-APHEC-1 features a large LCD display that can be seen from a distance

Grodan Grow-Cubes, 1 cu ft, case of 6 plant-support Tube Types: E-tubes or F-tubesGrodan 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