Pay in 4 interest-free payments of $42.49 Learn more
Ships within 48 hours · Estimated delivery Aug 6 - Aug 11
304 BTU 16
Accurate to +/-0
Capacity: 2 gallon
Put even more power into coconut coir with the Professional formula that makes the most of your amendments
With the Uni-Slab
Grodan Gro-Block Improved GR22 Blowers 304 BTU 16Grodan 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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