Grodan 4x4x2.5" Rockwool Grow Block Improved Anden

Grodan 4x4x2.5" Rockwool Grow Block Improved AndenNew Grodan 4x4x2. 5" 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

Safe for hydroponic systems and media while plants are growing

2(N) - 45(P) - 28(K)

The Anden Impact

High-Tech vapor control

The Flex designation gives you operational flexibility that fixed-wattage fixtures can't match

Lamp Features:

Casing bracket:

Which is why when you add silica to your garden

Recommended Tank Size: 110 Gallons

Once you apply Overdrive to your garden

This kit also includes probe cleaner and cleaning instruments

For use indoors