Sewper Rx is a patented blend of specifically selected bacterial species grown under stressful conditions that give them additional abilities not found in naturally occurring seed bacteria. Those abilities include anhydrobiosis (the ability to survive drying, allowing for easier delivery and longer shelf life), enhanced sludge and odor reduction, foam reduction and nitrogen and phosphorus removal, all without alterations to the plant or addition of chemicals, and using significantly less electricity. The bacteria undergo changes in their DNA allowing both the process and any resulting bacteria to be patented (U.S. Patent 6884351).

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