I have a 99" 52cpmy. My 3/4 full light started coming on. I pulled the sender and cleaned it. When the sender was out I confirmed with a stick that the holding tank was empty. After three uses of a toilet the 3/4 full light comes on. I went down this morning and disconnected the vacuum line for the sender. there was a lot of pressure being released. any thoughts?
thanks
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Thread: holding tank issues
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05-03-2024 07:52 AM #1Registered Member
- Join Date
- Aug 2023
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- 22
holding tank issues
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05-03-2024 09:22 AM #2Senior Member
- Join Date
- Jun 2012
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- 534
Re: holding tank issues
Vent is clogged.
JMooney
61 MY 1983 #341
“Jerrie”
Miami , FL
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05-03-2024 12:08 PM #3
Re: holding tank issues
Vent or vent filter. I had to pull my vent filter to pump out my holding tank, but it took me a long time to figure out. At least you can stick your tank, I couldn't even do that. If you have a vent filter installed in your tank vent line, replace it or eliminate it.
"A smooth sea never made a skillful sailor"
Rob Waldrop
M/V Pau Hana
Ft Myers FL
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05-05-2024 09:54 AM #4Registered Member
- Join Date
- Aug 2023
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- 22
Re: holding tank issues
I definitely have a plug in the fitting on the tank. trying to break it free now. I am going to see if CLR will loosen it. I tried a water blast no luck. thanks all for the assistance.
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05-05-2024 01:54 PM #5
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05-05-2024 01:57 PM #6
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05-06-2024 10:19 PM #7Senior Member
- Join Date
- Jun 2012
- Posts
- 534
Re: holding tank issues
Sew-clean .
JMooney
61 MY 1983 #341
“Jerrie”
Miami , FL
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05-07-2024 06:45 PM #8
Re: holding tank issues
I dumped this in my tanks on recommendation from another liveaboard in our marina, that like us, had holding tank issues. But in hindsight I think the 30% vinegar was more effective.
https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1"A smooth sea never made a skillful sailor"
Rob Waldrop
M/V Pau Hana
Ft Myers FL