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)

Unlike other cloning gels that use synthetic chemical biocides to protect from degradation

When you're ready for your new filter

and the rubber feet minimize vibration and hum as they protect the surface the ballast sits on

or additives can be added if the grower desires different specifications

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