Join Date: Apr 2002
Location: Long Island NY
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It's not your holding tank ...
I had spent weeks trying to figure out why my boat smells worse than a full porta-pottie on a hot summer day. I cleaned the all around the head with pine-sol, bleach, etc. Looked at the hoses, etc. We didn't use our holding take last year, but just for giggles, I pumped a lot of water into it and a little bleach and pumped it out before hauling the boat. Then I put some anti-freeze into it.
DrB - Now a proud owner of a Stink Free Boat
I had the same problem with my new-to-me boat. The odor was so bad that when I left the boat I could taste it in my mouth. Yekkh! I junked all the waste hose and replaced it with new odorfree hose (the $9/ft variety). The boat still stunk until the old hose was physically out of the boat, then it was a pleasure to be in the boat. When I removed the old hose, petrified fecal matter fell out in little chips.
Yes, I knew you wanted to know that.
This stuff that sticks to the inside of the hose is the source of most head-related odors, IMHO.
Fluctuat nec mergitur