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Old 06-25-2013, 07:36 AM   #1
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bad smell (sewer maybe) from gallery vent outside

Hi everyone,
1st time on--newbe..hopefully someone can help me. lv my flagstaff but have bad sewer smell (maybe) coming from small vent located left outside camper wall right below kitchen window. trailor about 7-8 years old and has 3 holding tanks. anybody have any thoughts how to fix or what might be causing smell??--thank you

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Old 06-25-2013, 02:00 PM   #2
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Welcome to the forum!

The galley tank can get very smelly with food waste. I've tried to sanitize ours with detergent (capful) and bleach (1 cup) and filled the tank with water and left it overnight. Most of the odor is gone. You may have to do it more than once if you have a lot of build-up in the tank.



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Old 06-29-2013, 10:26 AM   #3
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Vent smell on outside trailer wall

Thanks for advice, will try and see what happens. Greatly appreciate feedback
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Old 01-19-2014, 03:28 PM   #4
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There is also a PVC check value in the galley sink plumbing that I believe is designed to let water down and prevent odors from coming back up to the sink. Sounds like that $5.00 check valve may need replaced. On my new RV, the manufacturer dropped some glue on the valve preventing proper operation. This was in my bathroom sink and we could not find the foul odor under my mobile mechanic showed up and stepping out his truck said he knew exactly what it was.
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Old 01-19-2014, 03:30 PM   #5
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I use liquid chemicals Aqua Kem 8 oz into the toilet after dumping, I than rinse the residual left in bottle with water into the galley sink never had a problem with smell ever. My friend just poor ounce into each sink. Also the P trap must have water in it to work .
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