This citrus-scented InSinkErator Bio-Charge Cartridge Replacement for Evolution Septic Assist disposers is a cost-effective enzyme treatment. Bio-Charge contains a natural microorganism that helps break down food waste and a citrus scent to help control odors from the sink and drain. Bio-Charge is only for use with the Evolution Septic Assist disposer, and will last 3 to 4 months with average use. One cartridge of Bio-Charge equals 4 bottles of other septic treatments.
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