Bio-Green waste treatment Is non toxic and all natural. Bio-Green is one of the oldest tank treatments on the market.
This product Comes in a 4 oz jar and is enough for 48 treatments
Natural Cleaner & Deodorizer for RV Holding Tanks
* Cleans & Deodorizes Drains & Disposers
* Activates & Revitalizes Septic Systems
* Cleans & Deodorizes RV Holding Tanks
* Harmless to People, Pets & Plumbing
* Super Concentrated – Super Economical
This product can be used for grey tanks. It is also good in the laundry room to remove those tough stains.