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DIRECTIONS: For best results, flush holding tank thoroughly before beginning regular treatment with holding tank treatment. Always recharge tank with Bio-Kleen Kleen Waste immediately after dumping tank.

For initial Black Tank treatment: add 4oz. Bio-Kleen Kleen Waste per 40 gallon tank.
For regular treatment: add 2oz. Bio-Kleen Kleen Waste per 40 gallon tank.
For initial and regular Grey Tank treatment: add 2oz. Bio-Kleen Kleen Waste per 40 gallon tank.

Holding tank waste, treated with Bio-Kleen Kleen Waste, can be safely emptied into any dumping station or septic system.

Overall Customer Rating of 7 Reviews:

RV Holding tank treatment

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I have used this product for over 2 years and have great success. It does a good job at covering odors during all temps.

Mrs Jones

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We were introduced to this product at our marina, to use in our holding tanks on our boat, we loved it so much that we also have purchased it for our travel trailer (full time RV'ers) it works great even on those 100 degree days of the summer!

Yuma Az

Best holding tank treatment

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I was introduced to this product over a year ago and found it better than any other for odor control and valve lube. Works as advertised. Have used some of the boating products with great success also. We usually have to order and have shipped as we move around.

Minnesota

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  • Excellent%20results
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  • not%20available%20in%20most%20stores
This is a great product. We have had excellent results. Absolutely recommend it. The price is reasonable. I especially like it is made in USA and is formaldehyde free. The place where we bought our trailer recommended it.

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wish I had found the product years ago