Zep Septi-Pak Series ZSTP2 Septic System Treatment, Solid, Brown, Mild, 4 oz Pouch [SKU: ORG7194285]

Biodegradable formula that degrades and digests waste, Replenishes the essential bacteria that break down fats, oils, grease and organic waste, Easy-to-use concentrated formula is safe for pipes, Use one pre-measured bag once every two months for a 500 gal tank. [QTY/UOM: 1EA / 1EA]