"Blast advances the decomposition of organic matter in a pond. Best if used occasionally on an as needed basis along with the AquaSphere Pro or submersible dispenser. U.S.A. Compatible With AquaSphere dispenser, Environmentally Friendly Yes, Includes qty. 5 Packets, Material Type Water soluble packets, Treatment Period Treats up to 30 days, Treatment Capacity gal. 2,500. 5 premeasured, water-soluble 15-gram packets"
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