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Dream 'Inn III -- 2008 400 Express
FWIW, I've been using "cheap" stuff in everything but my motors for as long as the stuff has existed.I have been thinking the past couple years now about not putting anything in my fresh water lines. I blow out everything with an air compressor. I just always feared that some residual would freeze. But I do tend to make sure everything is out. I don't blow out the AC first (cause I take advantage of it being primed) but I could blow that out as well. Not putting it in the fresh water isn't due to the cost, but really just a pain to get it out in the spring (I don't put it my tank).