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Ships within 48 hours · Estimated delivery Aug 4 - Aug 9
Accurate to +/-0
Available Phosphoric Acid (P₂O₅) …………
1 pH/1°C/1°F
With the Uni-Slab
Humic acid aids in the movement of nutrients through the grow medium
Grodan Gro-Block Improved GR22 Blowers Accurate to +/-0Grodan Gro Block Improved Grodan Gro Block Improved GR22, Jumbo (box of 64) Gro Block Improved Jumbo (6x6x4) w Hole Carton New 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
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