Zep Septic Defense Tank & Cesspool Treatment Packs - 12 oz (6 Pack) ZSTP6 - Safe for all Pipes and Septic Systems

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 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