Good RV treatment

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This 1/2 gallon of Marine and RV Treatment ant Cleaner by Drainbo seems to be a excellent product. I have used other RV treatment and cleaners in my 5th wheel RV but this is by far the best of them. After using other brands of treatment the meter would say the black water tank was still 2/3 full after it was emptied.. With Drainbo I did not have that problem. I will continue to use this product.

Jayhawk714 via Homedepot.com Featherville, ID November 22, 2015