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Old 04-18-2013, 08:57 PM   #1
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Black Tank Sensor AGAIN

After trying several different methods to clear black tank sensor I finally got it. I read about this super stuff that always worked so I checked online and found a local Rv repair dealer that stocked this super stuff. I stopped by to see if he had any and he told me no, it was just to expensive. Now this man has been repairing rv's for a long time. He told me to empty tank and then pour in one gallon of bleach and one box of baking soda and fill with water.Let sit for 24 hours and dump. Wow, it works!!!!
I was a little nervous but had no problems.
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Old 04-18-2013, 09:07 PM   #2
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Quote:
Originally Posted by Okee View Post
After trying several different methods to clear black tank sensor I finally got it. I read about this super stuff that always worked so I checked online and found a local Rv repair dealer that stocked this super stuff. I stopped by to see if he had any and he told me no, it was just to expensive. Now this man has been repairing rv's for a long time. He told me to empty tank and then pour in one gallon of bleach and one box of baking soda and fill with water.Let sit for 24 hours and dump. Wow, it works!!!!
I was a little nervous but had no problems.
I'd be a little hesitant to use bleach in a metal tank, from what I've read on here and it being corrosive to metal...
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Old 04-18-2013, 09:14 PM   #3
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I'd be a little hesitant to use bleach in a metal tank, from what I've read on here and it being corrosive to metal...
It is a plastic tank
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Old 04-18-2013, 09:16 PM   #4
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Bleach can dry out rubber gaskets, so be sure to flush well after dumping.
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Old 04-18-2013, 09:39 PM   #5
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Bleach can dry out rubber gaskets, so be sure to flush well after dumping.
Bleach doesn't affect the rubber gaskets in my washing machine....
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Old 04-19-2013, 07:57 AM   #6
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I'm going to watch this topic because of the problems with the sensors in my Winnebago Adventurer. I was going to replace them, but can't get to them. I've tried to clean them with little success. What coach do you have?
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Old 04-19-2013, 09:49 AM   #7
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About 8 months ago our black tank sensor started showing 2/3 full no matter how many times I dumped. As we were preparing to leave Lake Mead NRA, out boss suggested we do what he had been doing for years. When you intend to move your rig do the following:
1)dump tank, 2)fill the tank with as much ice as possible, 3)add Dawn (and some Calgon if you have it, 4) drive/tow vehicle to next destination, 5)dump tank.
It worked! The scrubbing action of the ice along with the grease/cleaning action of the Dawn freed up the deposits/gunk causing the false readings on the tank sensors.Try it...you might like it.
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Old 04-19-2013, 11:00 AM   #8
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"Pure Power Blue"
Camping World carries it. It's a liquid full of eating enzymes. Works like the stuff you put in a septic tank to eat away your problem. I had the same problem with my grey tank. I tried soaps and other chemicals too no avail but this stuff worked. I added a half bottle to the tank and made sure the level of liquid was above the sensors. Let it sit three days and suddenly -- my sensor problem is gone. The service guy who turned me onto it, said for cases where it has not worked, he's put four packs of Fleishman's yeast and warm water in the tank. Park it away from people because it will really stink out the vent pipe. Same thing, you should have working sensors in three or four days. The yeast will eat the crud. The sensors are circuit boards taped to the outside of the tank. So you are cleaning a plain wall of plastic.
Oh, I use Pure Power in the black tank in place of anything else. It's a great deodorizer.

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Old 04-19-2013, 05:25 PM   #9
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We have done the ice trick many times. I now routinely do it on my last day of camping even if there has been no bad reading. I just take the remaining ice in our ice maker and put it in the black tank with about 1/3 tank of fresh water. I do it just before driving home. The jousting around seems to clean up the probes.
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Old 04-19-2013, 06:16 PM   #10
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The effort put into cleaning tank sensors is intriguing.

The interest in a gauge that works, for me, has all to do with gauges that matter: engine temp, oil pressure, etc.

I dump every 4 or 5 days. Never look at the gauges. Never have overflows or clogs.

Just sayin.....
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