depot pull
Pay in 4 interest-free payments of $33.75 Learn more
Ships within 48 hours · Estimated delivery Sep 18 - Sep 23
*Special Order Size(s): Contact us for current pricing
ebb and flow systems and the cultivation on clay particles
Beneficial Bacteria & Fungus Protect Your Garden While Providing Nutrients
vitamins and other bio-stimulants
Where soils are sandy
ROCKWOOL Granulate Loose 20 kg 4L *Special Order Size(s): Contact us*NOTE as of August 2022: Grodan raised the price by 300% on this guy!* Grodan Granulate is an ultra clean, sterile substrate for hydroponic production. Granulate rockwool can be effectively used in recirculating or run to waste systems and has a very high water holding capacity. Grodan Granulate is compressed into a 20kg bale, but makes around 140L of growing medium
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