Just wanted to share the love :smileo that I have for Snow Fresh holding tank treatment. I have used it on my boat for a couple of years and I am using it in the camper on my Baja trip and it works better than any other solution that I have tried from West Marine, Fisheries Supply or Camping World. No odor at all! Maybe other stuff works for you -- if so, stick with it. But if not, check out Snow Fresh.
Warren
Warren