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n1vwd
post Sep 14 2011, 08:09 AM
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Hello to all in the group.
I live in VT and I am in the process of winterizing my TT for the year. I have read that after draining the black water tank you should always add 3 to 5 gallons of water to the tank to keep any remaining solids from drying out and keep every thing in solution. Do you still do this at the end of the season? What about freezing, wont it damage the tank? If I drain the tank what about any residual nasties left behind wont they dry out.
All replies will be greatly appreciated.


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dog bone
post Sep 14 2011, 08:23 AM
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When you winterize. you will get some RV antifreeze from your toilet. I also put 2 gallons windshield washer fluid down there. It's a lot cheaper than RV pink stuff. About a buck a gallon at Walmart, sometimes.
I have been doing that for years now. Seems to work fine, no problems. The windshield fluid is good down to -50. Windshield washer fluid doesn't freeze in your car. Why would it freeze in the tank?


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fpullanosr
post Sep 14 2011, 10:07 AM
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You should not only drain the black water tank, but also flush it real good so that most of the solid stuff is washed out. Let the flushed tank drain a few hours, then flush again.

When you feel it has been thoroughly cleaned out, add a little water and RV antifreeze, no more than couple gallons combined.

I wouldn't risk using cheap antifreeze. Trying to save $1 or $2 isn't worth the risk of a several hundred $$$ tank replacement.

The alternative is do like many of us RV'ers do, and spend the winter in a warmer climate!
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JDOLLEN
post Sep 15 2011, 04:47 AM
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I wouldn't risk using cheap antifreeze. Trying to save $1 or $2 isn't worth the risk of a several hundred $$$ tank replacement.

The alternative is do like many of us RV'ers do, and spend the winter in a warmer climate!
[/quote]

We live in Calgary, Canada.

We have used our TT and Motorhomes in the winter for years and have always used Windshield Washer Antifreeze to flush the toilet when the weather is cold. We used the facilities sparingly though but we never had a problem. We did not use the Grey Tank.

You must remember that the solution becomes diluted when mixed with waste though. What may start at -50 can quickly degrade to -20 or -10 in a hurry.

We loved parking our Motorhome at the ski hill. When most people were tired from a day's skiing getting ready for the two and a half hour drive home, we had the BBQ out and were enjoying a glass of wine. We got many envious looks.

We left the parking lot in the morning fresh from a good night sleep, had no traffic problems and enjoyed the weekend longer than most others.


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