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Zep Septic Defense Septic System Treatment Packs ZSTP6$9.69
SKU 32154089-Septi-Pak concentrated septic treatment is a biodegradable formula that degrades and digests waste. It replenishes the essential bacteria that break down fats, oils, grease and organic waste. The easy-to-use concentrated formula is safe for pipes.
Use one pre-measured bag once every two months for a 500 gal tank.