GRODAN GRO-BLOCK IMPROVED DELTA 3'' UNWRAPPED (384) Nutrients Eliminate 90% of the work Option::easy2grow Extension Kit while the included additives BIO50600 Fans & Filter Kits

Eliminate 90% of the work in the extraction process and save yourself time and money as these machines pay for themselves after just one use

Increases light output by up to 48% without extra power use

You can remove and clean the sleeve

Discover the General Hydroponics KoolBloom Nutrient

Whether you are working with cuttings

GRODAN GRO BLOCK IMPROVED DELTA 3'' UNWRAPPED (384) Nutrients Eliminate 90% of the work Option::easy2grow Extension Kit while the included additives BIO50600 Fans & Filter Kits Eliminate 90% of the work in the extraction process and save yourself time and money as these machines pay for themselves after just one use Increases light output by up to 48% without extra power use