Black Water Septic Tank Treatment - Deodorizing and Waste Digesting Concentrated Enzymes - 1 Gallon Contains up to 64 Treatments;

Energen Black Water Treatment is an RV holding tank treatment that maintains and deodorizes. This product will break down waste & tissue, prevent odors for 7 days and is formaldehyde free. Use this product before transit to and from camping excursions or when black water tank is full. 

For Best Results: Black Water Tanks should be emptied, flushed and treated weekly or when black water tank is 3/4 full (whichever comes first). Apply before transit to and from camping excursions. Do not mix with other products.

Tanks: Pour 2-4oz. down the toilet for every 40 gallons. Immediately add 2 quarts (64oz) of water. For larger tanks, extended holding periods or temperatures over 85 degrees adding another 4oz. is recommended. 

Portable toilets: Add 2oz. to tank. Top with enough water to cover the bottom.

Recirculating Toilets : Add 4oz and refer to the toilet manufacturers directions.

Keep out of reach of children!