I only use toilet chemicals when the wife says she thinks it smells. That happens once or twice a year. Most of the time though, I go chem free. Been doing this since the 1980s and never had a problem. I use Thetford stuff when I do use it though.
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Lt Keefer
2018 Hurricane 29M
CHF, Saf-T-Plus, SumoSprings
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