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12-23-2021, 09:39 AM
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#1
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Member
City: Decatur
Vessel Name: CraSeaHorse
Vessel Model: HiStar Seahorse
Join Date: Sep 2020
Posts: 13
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Boat Poopy Smell
Merry Christmas & Happy New Year Everyone,
We have poopy going up into the vent line when the tank isn't full. Poopy is suppost to run down hill; however, ours is going up into the vent line. We are confused. Does anyone have suggestions recommendations???
Thank you,
Cra Sea Horse
Susan & Kenneth Bladow
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12-23-2021, 10:20 AM
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#2
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Guru
City: Cape May, NJ
Vessel Name: Irish Lady
Vessel Model: Monk 36
Join Date: Dec 2007
Posts: 4,964
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Tough one. Either the tank outlet to the vent line somehow extends below where it penetrates the tank or the tank is fuller than you think. Other than a sloshing effect in rough seas at a really big list, not much else is possible IMHO.
__________________
Archie
Irish Lady
1984 Monk 36 Hull #46
Currently in Cape May, NJ
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12-23-2021, 11:08 AM
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#3
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Guru
City: Seattle
Vessel Name: AZZURRA
Vessel Model: Ocean Alexander 54
Join Date: Aug 2017
Posts: 4,308
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My guess is your vent line dips at some point. At one time your holding tank got full filling the vent line. Now you have affluent in the vent line that can’t drain out. As your tank gets fuller air is pushing the affluent stuck in the vent out.
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12-23-2021, 11:10 AM
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#4
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Senior Member
City: Toronto
Vessel Name: Bermuda Belle
Vessel Model: Marine Trader 36 Sedan
Join Date: Sep 2021
Posts: 391
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This is a job for......
HEADMISTRESS!!!
Where are you, Peg?
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12-23-2021, 11:30 AM
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#5
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Guru
City: AR
Join Date: Jul 2009
Posts: 2,515
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The toilet would have be very powerful to generate enough air pressure to clear out the vent, but even if it can, sooner or later it gets rid of any waste in it. This appears to be a permanent condition.
A number of possibilities and maybe even a combination of more than one: a sag in the vent line where waste has overflowed into it...the vent fitting on the tank is on the end or a side instead on the top where it belongs, low enough for waste to flow into it before the tank gets full...rough seas is causing the boat to heel enough to cause a 3/4 full tank to spill into the vent.
We prob'ly need to assess your sanitation plumbing to determine what if any corrections need to made in it, especially the vent fitting location and routing. Send me a PM if you'd like my help with that.
--Peggie
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12-23-2021, 11:47 AM
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#6
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Guru
City: Cape May, NJ
Vessel Name: Irish Lady
Vessel Model: Monk 36
Join Date: Dec 2007
Posts: 4,964
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A typical marina pumpout will suck the vent(s) clear if the “stuff” is soft. Sucks the head bowls empty too. Just check the vents for inward flow while doing a pumpout.
__________________
Archie
Irish Lady
1984 Monk 36 Hull #46
Currently in Cape May, NJ
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12-23-2021, 01:05 PM
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#7
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Member
City: Decatur
Vessel Name: CraSeaHorse
Vessel Model: HiStar Seahorse
Join Date: Sep 2020
Posts: 13
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The tank is not full and the vent line is clear. So still scratching my head on this one...
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12-23-2021, 01:10 PM
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#8
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Member
City: Decatur
Vessel Name: CraSeaHorse
Vessel Model: HiStar Seahorse
Join Date: Sep 2020
Posts: 13
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Hi Peggie,
Not sure how to attach a picture to this thread.
We can send you a picture via text message if that's ok with you.
Thank you,
Kenneth & Susan
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12-23-2021, 01:28 PM
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#9
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TF Site Team
City: Seneca Lake NY
Vessel Name: Bacchus
Vessel Model: MS 34 HT Trawler
Join Date: Nov 2014
Posts: 7,826
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Quote:
Originally Posted by Bladow
Hi Peggie,
Not sure how to attach a picture to this thread.
We can send you a picture via text message if that's ok with you.
Thank you,
Kenneth & Susan
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PMs do not allow attaching files or photos. Here is the link to instructions on How To Post Pictures
https://www.trawlerforum.com/forums/...res-50850.html
__________________
Don
2008 MS 34 HT Trawler
"Bacchus"
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12-23-2021, 01:31 PM
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#10
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Guru
City: Fort Myers, FL... Summers in the Great Lakes
Vessel Name: Slow Hand
Vessel Model: Cherubini Independence 45
Join Date: Dec 2010
Posts: 12,834
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Quote:
Originally Posted by Bladow
The tank is not full and the vent line is clear. So still scratching my head on this one...
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How are you determining the tank isn't full? If using some form of gauge, it may reading incorrectly. Also, there may be an issue if the pump out hose goes into the tank from the top. Need to verify it's truly empty.
Ted
__________________
Blog: mvslowhand.com
I'm tired of fast moves, I've got a slow groove, on my mind.....
I want to spend some time, Not come and go in a heated rush.....
"Slow Hand" by The Pointer Sisters
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12-23-2021, 04:01 PM
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#11
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Guru
City: Cape May, NJ
Vessel Name: Irish Lady
Vessel Model: Monk 36
Join Date: Dec 2007
Posts: 4,964
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How long has the problem existed?
Never before now?
Always?
Ever since ________ was replaced?
__________________
Archie
Irish Lady
1984 Monk 36 Hull #46
Currently in Cape May, NJ
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