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Old 05-02-2021, 09:03 PM   #1
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Black Water tank not reading correctly

I have a 2019 Freedom Elite 22 FE. Today noticed that black water tank is empty and it's reading as it was 2/3 full.

How can that be reset?
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Old 05-02-2021, 09:30 PM   #2
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Flush and clean the tank.

The black water sensors are notorious for inaccurate readings. You'll see that complaint on every RV forum.

The "stuff" in the black tank hangs off the sensors and completes a circuit even when the tank is empty. Cleaning the tank will get rid of that (if your RV has a flush system use it).
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Old 05-02-2021, 09:45 PM   #3
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Quote:
Originally Posted by JamieGeek View Post
Flush and clean the tank.

The black water sensors are notorious for inaccurate readings. You'll see that complaint on every RV forum.

The "stuff" in the black tank hangs off the sensors and completes a circuit even when the tank is empty. Cleaning the tank will get rid of that (if your RV has a flush system use it).
Thanks for info. Will do that.
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Old 05-02-2021, 11:02 PM   #4
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Originally Posted by Jimenez61 View Post
I have a 2019 Freedom Elite 22 FE. Today noticed that black water tank is empty and it's reading as it was 2/3 full.

How can that be reset?
My experience is that this contraption works best.
That is, the flush system on my rig doesn’t do a complete job.
But this device works everytime! (Knock on wood)

“Holding Tank Rinser”

https://www.campingworld.com/holding...alve-4678.html
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Old 05-02-2021, 11:06 PM   #5
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Worth a try but itís not unusual for these to always read incorrectly. After a while youíll get to where you can tell how full they are without the indicator. Youíd think theyíd work but they donít always.
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Old 05-02-2021, 11:34 PM   #6
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We've had 6-7 rvs in the past 40+ years & can say we've never owned one that those sensors told you anything other than it has a pretty little red light.
You can rinse, flush, add all kinds of magic elixirs & they might work once. Don't drive yourself nuts trying to fix something that's never gonna work for more than one fill up.
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Old 05-03-2021, 05:53 PM   #7
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Black Water tank not reading corrwctly

I just donít worry about whether the black tank sensors are working or not. Iíve got 1-1/2 baths and two 40 gallon black tanks, and itís usually just my wife and me in the coach. If our trip is less than two weeks, Iíll do a single black tank flush at the end of the trip. If itís longer than two weeks, Iíll dump every ten days or so, depending on our travel schedule. Hasnít been a problem yet.

I kinda wish they had put in smaller black tanks and larger grey tanks. The grey tanks (2 x 40 gallon) fill up in a couple of days.
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Old 05-03-2021, 05:59 PM   #8
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I keep thinking that adding Calgon to the tank might just make everything a bit "slipperier", and less likely to stick...
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Old 05-03-2021, 06:40 PM   #9
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Ice

After we dump at the campground, we pour our leftover ice down the toilet. By the time we get home the ice is melted and the sensors are clean and work perfectly.


Someone told me this years ago, try it.
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Old 05-03-2021, 07:04 PM   #10
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Originally Posted by Bob Denman View Post
I keep thinking that adding Calgon to the tank might just make everything a bit "slipperier", and less likely to stick...
"slipperier"
Is that a word? Will I get away with it in Scrabble?
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Old 05-03-2021, 07:04 PM   #11
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The only times I've ever put ice down a toilet... after processing it though my kidneys after a couple of scotch on the rocks!
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Old 05-03-2021, 07:43 PM   #12
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Like others have said, don't worry about the black tank sensors. We learned early on that the tank sensors are notorious for their inaccuracy. We dump our tanks once a week and ignore the sensors. Just make sure you use plenty of water when flushing the toilet.
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Old 05-03-2021, 07:46 PM   #13
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"slipperier"
Is that a word? Will I get away with it in Scrabble?
Land it on a Triple Score. and you'll feel like an Immortal...
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Old 05-03-2021, 08:06 PM   #14
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Land it on a Triple Score. and you'll feel like an Immortal...
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Old 05-03-2021, 08:49 PM   #15
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Originally Posted by rickymac View Post
After we dump at the campground, we pour our leftover ice down the toilet. By the time we get home the ice is melted and the sensors are clean and work perfectly.


Someone told me this years ago, try it.
If you camp in the be climates we did that ice is mostly melted before you pull out of the site, unless you're dumping 50-100lbs. But that melted ice adds more liquid which good for the black tank.
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Old 05-03-2021, 09:36 PM   #16
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OK I started this thread I am very new to RVs first one ever only went on one trip what does Boondocking mean and you can laugh at me all you want
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Old 05-03-2021, 09:47 PM   #17
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OK I googled it I figured it out when you have no power no water correct ? Please excuse me I am very new at all of the stuff thatís why Iím here on this form.
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Old 05-03-2021, 11:38 PM   #18
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Don't give it a second thought: we all start out a whole lot less sure of ourselves.
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Old 05-04-2021, 12:21 AM   #19
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OK I started this thread I am very new to RVs first one ever only went on one trip what does Boondocking mean and you can laugh at me all you want
No one's laughing at you, maybe having fun at your expense. but not laughing at you. We all started somewhere, some of us before Al Gore invented the internet.
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Old 05-04-2021, 12:24 AM   #20
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First of all let me apologize to the person that started this thread it wasn’t me I clicked the wrong thread but thank y’all for all the help you’ve given me and I will have a lot more questions in the future very new to this and thank God for Al Gore for inventing this Internet����
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