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Old 10-24-2014, 05:20 PM   #15
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2001 25' Safari
Vancouver , Washington
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Ooo, with Coco Oil! Might be good for suntan lotion too!

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Old 10-26-2014, 10:59 AM   #16
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2008 25' Classic
Wichita Falls , Texas
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Does this Camco waste valve lubricant work? My black tank valve is pretty sticky. I'm trying a gallon of warm water and vegetable oil right now. I'll leave it for about a week and see what happens. Going out next weekend. I'll report any progress.

I wonder if using detergent, Biz, in this holding tank has contributed to the issue. This is a recent development.


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Old 10-26-2014, 11:15 AM   #17
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Oswego , Illinois
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DON"T USE VEGGIE oil. It can get gummy. Use olive oil,,,more expensive, but cheaper than the commercial valve lube, and IMO just as effective. Put in maybe 1/2 bottle in a near empty tank prior to leaving for a trip. It sloshes around and coats pretty well. Needs a couple applications each season.

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Old 10-26-2014, 11:15 AM   #18
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San Antonio , Texas
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I use the Thetford brand. It seems to help. A pure liquid silicone would be best, but no not where to get that at an affordable price.

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Old 10-26-2014, 11:19 AM   #19
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2010 27' FB Classic
N/A , Texas
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Liquid fabric softener and some water down the drains and toilet every so often when the tanks are about empty seems to help with the sticky valves. It has a pleasent odor and I leave it in the tanks till they fill up during use then dump and do it all over again.. I just add about a 1/4 cup for each tank otherwise the trailer will smell like a huge flower.
If it's already sticking I use more softener and put a clothes pin on my nose.
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Old 10-26-2014, 11:32 AM   #20
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Wink A safety tip

one thing to keep in mind:

Vegetable oil could possibly contain a few vegetable seeds that got through the filtering process. This is much more likely with extra virgin vegetable oil. If these seeds should happen to germinate and grow vegetables, be sure to use extreme diligence in washing them before consuming them.


(Sorry, but this thread was getting boring.)

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