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Old 07-08-2012, 11:31 PM   #1
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I just got this rv and the gray tank show 3/4 full when empty

I just got this rv and the gray tank show 3/4 full when empty how could I fix this problem

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Old 07-09-2012, 12:13 AM   #2
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Originally Posted by Joeyak View Post
I just got this rv and the gray tank show 3/4 full when empty how could I fix this problem
Holding tanks usually use electronic conduction to "check" the level. The higher the level of the liquid, the higher the reading. If the reading is caused by something in the tank, the simplest way to address the problem is to flush the tank - using lots of water. Fill it up and go for a drive...maybe even find a bumpy road.

There a lot of buzz about the "GEO Method." Search on this forum or the Internet...there's lots of material.

Best of luck

Kim and Steve, Mustang LCDR (Ret), '07 Damon Outlaw #1193
I have seen gross intolerance shown in support of tolerance, Samuel Coleridge
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Old 07-09-2012, 12:29 AM   #3
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I was told the grease from washing dishes coats the sensor and it doesn't dry out so, fill your tank, pour in Dawn dish soap, Calgon water softener. Take it for a bumpy ride, drain and see if it helped, if not, oh well.

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