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Old 07-05-2011, 09:36 PM   #1
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Black Tank Sensor

When we arrived at our 4th of July destination, our black tank was reading 2/3, which it wasn't. Now it's reading full after draining before our departure. Remind me on the DIY fix?
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Old 07-05-2011, 10:19 PM   #2
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Sounds like clogged sensors. The easy fix is to dump a bunch of ice down the toilet and add water. Drive around a while and the ice will knock the stuff off the sensors. You can also use a cleaning wand which you insert into the toilet. You may want to consider using a Flush King in the future or better yet install a Quickie or Tornado flush which will keep your tanks and sensors squeaky clean.
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Old 07-05-2011, 11:02 PM   #3
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Or if you want a permenant fix:
http://www.forestriverforums.com/for...1-a-12710.html
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Old 07-05-2011, 11:48 PM   #4
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a lot of us use calgon water softner pour a capful in your tank before you leave drive to where you are going this will coat the tank with a very slick coating it really works good ice is also a good solution
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Old 07-06-2011, 09:17 AM   #5
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I have the Torando already. I'm shocked the sensor is gunked up because I use the Tornado at every dump. Thanks for the tips!!
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Old 07-06-2011, 10:23 AM   #6
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Quote:
Originally Posted by hockeytownmom View Post
.. Remind me on the DIY fix?
On an empty black tank, 1 cup Calgon disolved in some warm water, another gallon or so of water before your travel - I do this religiously.

Reading the black and grey tank is a crapshoot - pun intended - you have to accept that - it will never be that precise, you will get a feel when they are really full after a while. Using Calgon it will read right most of the time, but not all the time.

Horst probes seem to work well, as Lou can attest.
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Old 07-06-2011, 10:33 AM   #7
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They are definitely not very accurate or very well made. I haven't looked at mine in 2 years! If the shower quits draining, the grey tank is full, same with the kitchen sink, and the black tank will start smelling rough when it is about full. I have a portable tote to carry holding tank liquids to the dump station, if any of this ever happens. Works for me! Randy
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Old 07-06-2011, 06:24 PM   #8
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Our sensor on our roo did same thing last trip. I used a swivel stik from camco to wash the tank and it started working again.
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