Grodan Gro-Block Improved GR10, large 4Inches loose on pallet (1,584) discounted Learn the hydroponics basics with

Learn the hydroponics basics with the Grow Book

Superior performance in premium air ducting

Anden 5770 - Replacement filter for Anden Dehumidifier Model A95F

The Atlas 8 is a digital CO2 monitor/controller

Use the Hydrologic reverse osmosis water filter Upgrade Kit to convert your Tall Boy to stealthRO 100 to customize your indoor hydroponic garden

Grodan Gro-Block Improved GR10, large 4Inches loose on pallet (1,584) discounted Learn the hydroponics basics withNew Grodan 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 a