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Filter media should be kept moist (after initial use) when not used to allow the KDF media to stay active and prevent bacteria build up
including decomposed plant litter
Rinse with hose regularly and change every 6-12 months
After ingestion
Grodan Gro Block 1.5" Improved Mini Block Shrink wrapped/Strip 45pcs groline Filter media should be keptGrodan partnered with the Wageningen University and Research facility in The Netherlands and top growers throughout North America to identify the optimal stone wool substrate and irrigation strategies for specialty crops. The result of months of scientific research and trials is Grodan Gro Blocks Improved with Grodans Advanced Wetting Agent. These leading edge blocks have the optimal fiber structure and physical properties for crop uniformity, more
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