Grodan Starter Plugs 1.5" x 1.5" x 1.5" - 98 Cells media providing just the right bloom

providing just the right bloom spectrum to maximize your flowering stage and produce large

Measuring the conductivity every day is the best way to avoid over-diluting or over-concentrating your nutrient solution

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Germinating seeds and rooting cuttings

Grodan Starter Plugs 1.5" x 1.5" x 1.5" - 98 Cells media providing just the right bloomThe ideal propagation medium, Grodan's sustainable rock wool starter cubes saturate easily, hold their shape, and distribute EC evenly. To reduce the risk of damage to seedlings and cuttings, its important for your grow cube to be firm and hold its shape. Grodan starter cubes remain firm, despite the low density of their fiber structure. Their rock wool grow cubes were developed to have low resistance to developing roots, resulting in quicker rooting