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05-23-2015, 12:46 AM
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#1
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Junior Member
Join Date: Mar 2015
Posts: 10
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Black tank
My sensors seem to be messed up. I just emptied my tank and it's saying 2/3 full. How do I know when my black tank is full or nearing full? Is there a way to view the tank by opening a compartment?
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05-23-2015, 12:59 AM
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#2
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Just a member
Join Date: Jul 2011
Location: Great White North
Posts: 921
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Probably the TP syndrome. Did you flush it after it was emptied? Does it have a flush?
__________________
K&L + the Wild Bunch
TT: 2011 Rockwood 8293RKSS
TV: 2019 Dodge 3500 SRW Crew HO CTD
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05-23-2015, 03:28 AM
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#3
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Senior Member
Join Date: Apr 2015
Posts: 621
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Although I'm new to rving, our used trailer has the same issue. A Google search found that this is a very common problem. I installed a flush kit and flushed mine a zillion times. I tried ice, soap, water softener and boiling water. There is a product called Digest-it that is supposed to work pretty good. I haven't tried it. Does the FULL indicator work? Mine does so at least I know when it's full. You will get lots of ideas here. Good Luck
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05-23-2015, 04:49 AM
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#4
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Senior Member
Join Date: Feb 2012
Location: Clarksville Va.
Posts: 10,422
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Quote:
Originally Posted by larryo
Although I'm new to rving, our used trailer has the same issue. A Google search found that this is a very common problem. I installed a flush kit and flushed mine a zillion times. I tried ice, soap, water softener and boiling water. There is a product called Digest-it that is supposed to work pretty good. I haven't tried it. Does the FULL indicator work? Mine does so at least I know when it's full. You will get lots of ideas here. Good Luck
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Mine are always off and I keep my tank clean. I have figured out that between me and my wife we can make a good 4 days before I have to dump, probably could go 5 but I don't want to talk to it when it starts to come back up when flushing.... By the way I have used Digest-it. It is a good product had some solids that it took care of but had to let it sit for 24 hrs. to break them up. When new I left my black tank open which is a no, no. Blocked it up and used that stuff. Other then that I would be buying a new tank. Rookie lesson learned....
__________________
Coachmen M/H
Concord
2018 / 300 DSC
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05-23-2015, 06:27 AM
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#5
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Senior Member
Join Date: Dec 2012
Posts: 7,640
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Quote:
Originally Posted by eswan21
My sensors seem to be messed up. I just emptied my tank and it's saying 2/3 full. How do I know when my black tank is full or nearing full? Is there a way to view the tank by opening a compartment?
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Yes, it's the toilet compartment. Step on the flush and look down into your tank. If it's full fluid will be (touching) at the end of the drop zone.
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05-23-2015, 07:05 AM
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#6
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Senior Member
Join Date: Dec 2012
Location: Windsor, Ontario, Canada
Posts: 744
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I never depend on the gauges. When I start to get an air bubble, when flushing the potty, that's an indication that the black tank is getting close to full. I use RV Digest-it all the time, as well as some laundry detergent and some calgon, either liquid or granule. Some pipes from the toilet are bent, like mine is, so you can't see the tank itself but if the liquid is where you can see it, it sure is time to drop the tank. I also had the mound...twice...not very pleasant work to clear that up when dry camping, as we do. Water is your friend. When hooked up use plenty. When not hooked up, you can extend the flush time by saving the liquid until you get a bowl close to full. Might not be pleasant but it works.
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05-23-2015, 08:58 AM
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#7
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Senior Member
Join Date: Feb 2015
Location: Oswego il
Posts: 2,428
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My black tank sensor worked very will on my last two 5er's, but I kept the tank clean. When we would break camp my DW and I always cleaned the black tank with extra care. We haven't had the Cedar Creek out yet, this week will be our first time out.
The follow information is my procedure for keeping the tank clean:
I use Calgon water softener powder and Borax Soap mixed together. I use a cup of each mixed in hot water, dump this in to the tank after flushing and cleaning the tank. This helps to keep the tank slipper and clean at the same time.
This will be the first thing we add to the black tank before use.
Now for cleaning; use you black tank flush if equipped or buy a wand that can be placed down the toilet and spray the inside. We will than dump between 4 and 6 gallons of water down the toilet letting this flush any debris that are still in the tank. Tank should be cleaned by now.
You should have a clear elbow connected to the drain line to watch for clear running water from the black tank when you see this empty your gray tanks you are done. This may take up to 1/2 hour to clean but the tank sensors will work.
__________________
Jim W.
2016 34RL CC; 2008 Ram Mega Cab 2500HD, 6.7L, 68RFE 6 speed, 4X4, Smarty S67, TDR 145K+miles
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05-24-2015, 07:45 AM
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#8
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Senior Member
Join Date: Jan 2013
Posts: 498
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I always make sure there are a few gallons of clean water in the black tank before departing on a trip, That way solids can break up right from the get go. I usually dump every other night when on the road.
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05-24-2015, 07:50 AM
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#9
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Senior Member
Join Date: May 2013
Location: Missouri
Posts: 906
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When my sensors are being stupid, I normally run a BUNCH of water into the tank, then take it to our city campground and dump it (free).
Just driving it over there with all the water sloshing around has always taken care of it for me.
__________________
Mark B.
2021 GMC 1500
Anderson WDH
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05-24-2015, 08:14 AM
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#10
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Senior Member
Join Date: Oct 2013
Posts: 1,443
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Looked this up because I have the same happen when ck even my grey tanks this is what I got.
https://search.yahoo.com/search;_ylt...20black%20tank
__________________
Think about things before you do them make life easier not harder.
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06-03-2015, 02:43 AM
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#11
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Just a member
Join Date: Jul 2011
Location: Great White North
Posts: 921
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Quote:
Originally Posted by eswan21
My sensors seem to be messed up. I just emptied my tank and it's saying 2/3 full. How do I know when my black tank is full or nearing full? Is there a way to view the tank by opening a compartment?
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Resolved the problem?
__________________
K&L + the Wild Bunch
TT: 2011 Rockwood 8293RKSS
TV: 2019 Dodge 3500 SRW Crew HO CTD
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