Grodan 4x4x4" Rockwool Grow Block Improved Remo Grow Doktor Doom Thrip Killer UNSCENTED-

Doktor Doom Thrip Killer UNSCENTED- No obnoxious perfumes

which has a long history in carbon air filter manufacturing

spray early in morning or evening or when overcast

When applied directly to the roots

it removes up to 110 pints of water per day at 80°F and 60% RH

Grodan 4x4x4" Rockwool Grow Block Improved Remo Grow Doktor Doom Thrip Killer UNSCENTED-New Grodan 4x4x4" Block Improved! Improved product at current pricing. New density + new hydrophilic technology = better water distribution and root development. The uniform distribution of water and nutrients throughout the block allows for more efficient use of the entire substrate volume Full saturation of the blocks with no dry spots and improved EC control with less water is achieved in the rootzone due to the uniform, optimized wool resulting in