Grodan Starter Plugs 1.5" x 1.5" x 1.5" - 98 Cells media Measuring the conductivity every day

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

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square wave technology ballast with integrated soft start the Lightspeed CMH 315W Lighting System is a smart and economical way to take advantage of the latest technology in hydroponic growing and indoor gardening

Maintenance Free Design

Fruit size and quality noticeably increased

Grodan Starter Plugs 1.5" x 1.5" x 1.5" - 98 Cells media Measuring the conductivity every dayThe 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