Bio Zyme - Enzyme Drain Cleaner $31.99 Bio Zyme is a professional strength Drain Treatment System. It can be used as often as once a week to to keep grease and nasty oders from forming in your drainage system.   >   100% Biodegareable   >   Citrus Based   >   Helps Prevent Clogs   >   Safe in Septic Systems   >   Citrus Based   >   Controls Odors   >   Non-Corrosive   >   Non-Toxic   >   No Harsh Acids Buy It Now!