Thread: Plumbing
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Old 05-05-2021, 10:36 PM   #46
jclays
Senior Member
 
City: Long Beach Ca
Vessel Name: Freebird
Vessel Model: 1997 Mainship 350
Join Date: Jun 2010
Posts: 467
Happy to say that most of the odor is gone. I believe the culprit is the vent hose. All the other hoses have been changed. My dilemma is the hose was obviously installed when the boat was assembled (1997). The hose is zip tied every 12 inches and the zip ties are screwed to the side of the boat out of reach. It is visible in its full run but it cannot be reached. I could abandon it and run a new hose to a much more accessible location but I would still be leaving the old vent hose on the boat. The vent hose is visibly saturated. It is a clear hose with black ringlets. The hose is yellowed and in some places much darker yellow. It is also sticky.

I was contemplating disconnecting the hose from the holding tank and plugging the end then from the outside thru hull fill the hose with a holding tank chemical or a strong bleach and water mixture and letting it sit for a week.
Thoughts??
Thanks
Jim
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