I fill the fresh water tank to almost full and then use my winterizing antifreeze pump and pump a solution of 1/2 cup of bleach mixed with 2 gallons of water into the tank, this is enough for a 30 gallon fresh water tank. I also take the MH on short drive to mix it all around and then let it sit for a couple of hours, run the water pump and open each tap to sanitize the spigots (hot and cold) , drain and refill and drain again to get rid of the bleach smell, you can also fill the water heater and drain that too.
Its a bit of a long process but should be done
Coveman2
2018 Compass 23 TB
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