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10-14-2020, 05:22 AM
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#1
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Junior Member
Join Date: Sep 2020
Location: RIDGETOWN
Posts: 10
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Toilet to black water tank dipstick method
I have a question. Opening the plunger in the toilet and lowering a dowel down till it bottoms out. Will that give a true reading on how much is in the black water tank. I am certain the sensors are not giving a true reading. Control center says almost full. Using the dowel it came up with about 1 inch of waste on it. It was connected to a full service site until this spring so guessing the dipstick reading is closer to the truth. Has anyone ever checked this way. Its going to be dumped this week but wondering should we empty before or after 3 days use.
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Tony and Maya
2011 Ram 1500 Hemi Outdoorsman Quad cab 4 x 4
2006 Keystone Zeppelin Z271
Retired
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10-14-2020, 05:31 AM
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#2
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Senior Member
Join Date: Aug 2012
Location: Waco, Tx
Posts: 5,457
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Quote:
Originally Posted by Mayao
I have a question. Opening the plunger in the toilet and lowering a dowel down till it bottoms out. Will that give a true reading on how much is in the black water tank. I am certain the sensors are not giving a true reading. Control center says almost full. Using the dowel it came up with about 1 inch of waste on it. It was connected to a full service site until this spring so guessing the dipstick reading is closer to the truth. Has anyone ever checked this way. Its going to be dumped this week but wondering should we empty before or after 3 days use.
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When it's almost full, you will know because of the gurgling you'll hear..
I put a smiley face there.. but I'm serious.. With just the DW and I we have never had to dump the black tank during even a 8 night trip.. and we never use the park facilities..
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2015 Ford F350 DRW 6.7 Diesel XL
2020 Avalanche 313 RS
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10-14-2020, 06:20 AM
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#3
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Senior Member
Join Date: Nov 2017
Location: Mico, TX
Posts: 7,476
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Quote:
Originally Posted by Javi
When it's almost full, you will know because of the gurgling you'll hear..
I put a smiley face there.. but I'm serious.. With just the DW and I we have never had to dump the black tank during even a 8 night trip.. and we never use the park facilities..
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Javi, The OP has a different trailer. Different sized black tank. Not sure your eight days applies to everyone. Our shower dumps into our black tank so we have to dump every 2-3 days. I suspect our black tank is smaller than your black tank to begin with.
The question is the stick probe for the level in the tank. I doubt a stick will go straight down into the black tank so not sure if that is any use. If you camp with the trailer for awhile, you will get a sense of when to dump as most black tank sensors are useless. There are aftermarket tank sensor systems that are much more reliable than what is provided from Keystone. They also cost more and if you are really determined, get one installed.
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wiredgeorge Mico TX
2006 F350 CC 4WD 6.0L
2002 Keystone Cougar 278
2006 GL1800 Roadsmith Trike
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10-14-2020, 06:25 AM
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#4
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Site Team
Join Date: Oct 2011
Location: Joppa, MD
Posts: 11,760
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Quote:
Originally Posted by Mayao
I have a question. Opening the plunger in the toilet and lowering a dowel down till it bottoms out. Will that give a true reading on how much is in the black water tank. I am certain the sensors are not giving a true reading. Control center says almost full. Using the dowel it came up with about 1 inch of waste on it. It was connected to a full service site until this spring so guessing the dipstick reading is closer to the truth. Has anyone ever checked this way. Its going to be dumped this week but wondering should we empty before or after 3 days use.
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What do you do with your "dip stick" after withdrawing it? I wouldn't want that dripping across the floor and I certainly wouldn't store and reuse it.
Easiest way to definativly tell is to shine a flashlight ion there when you flush the toilet, at least on most units.
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Marshall
2012 Laredo 303 TG
2010 F250 LT Super Cab, long bed, 4X4, 6.4 Turbo Diesel
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10-14-2020, 06:28 AM
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#5
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Senior Member
Join Date: Apr 2012
Location: Portland, OR
Posts: 4,224
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Black tank sensors are highly unreliable, it is a fact of RV life. We dump at the first burp when flushing.
About the only time ours worked for a couple cycles was after siting for about two months with a half box of Rid-X in the tank.
Just too much work to keep them clean, burb method works for us.
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Russ & Paula and Belle the Beagle.
2016 Ram Laramie 3500 DRW 14,000# GVWR (New TV)
2005 Copper Canyon 293 FWSLS 32’ GVWR 12,360
Visit and enjoy Oregon State Parks
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10-14-2020, 06:29 AM
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#6
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Senior Member
Join Date: Aug 2012
Location: Waco, Tx
Posts: 5,457
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Quote:
Originally Posted by wiredgeorge
Javi, The OP has a different trailer. Different sized black tank. Not sure you eight days applies to everyone. Our showed dumps into our black tank so we have to dump every 2-3 days. I suspect our black tank is smaller than your black tank to begin with.
It probably is in this trailer, but how about the'12 Passport I owned for almost 4 years.. if I remember correctly it was less than 30 gallons. This one is 49 gallons and the Cougar was I think 35 gallons... Y'all just think I'm full of crap..
The question is stick and level in the tank. I doubt a stick will go straight down into the black tank so not sure if that is any use. If you camp with the trailer for awhile, you will get a sense of when to dump as most black tank sensors are useless. There are aftermarket tank sensor systems that are much more reliable than what is provided from Keystone. They also cost more and if you are really determined, get one installed.
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And on the Passport I owned; the stick would go to the bottom.. I know this because I changed out the toilet and dropped a flange bolt..
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2015 Ford F350 DRW 6.7 Diesel XL
2020 Avalanche 313 RS
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10-14-2020, 07:43 AM
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#7
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Junior Member
Join Date: Sep 2020
Location: RIDGETOWN
Posts: 10
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The literature says 35 gallon black water tank. I only asked because I assumed the black water tank would be below the toilet. There wasn't any elbows as it went straight down. Oh btw. Dowel In a bag and into the fire pit. Anyways I'll figure it out as time goes on. Thanks
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Tony and Maya
2011 Ram 1500 Hemi Outdoorsman Quad cab 4 x 4
2006 Keystone Zeppelin Z271
Retired
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10-14-2020, 08:10 AM
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#8
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Site Team
Join Date: Oct 2011
Location: Joppa, MD
Posts: 11,760
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Quote:
Originally Posted by Mayao
The literature says 35 gallon black water tank. I only asked because I assumed the black water tank would be below the toilet. There wasn't any elbows as it went straight down. Oh btw. Dowel In a bag and into the fire pit. Anyways I'll figure it out as time goes on. Thanks
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No S'Mores over your campfire!
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Marshall
2012 Laredo 303 TG
2010 F250 LT Super Cab, long bed, 4X4, 6.4 Turbo Diesel
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10-14-2020, 08:24 AM
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#9
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Senior Member
Join Date: Nov 2017
Location: Mico, TX
Posts: 7,476
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Quote:
Originally Posted by Javi
And on the Passport I owned; the stick would go to the bottom.. I know this because I changed out the toilet and dropped a flange bolt..
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Did you put a glove on when fishing around down there for the flange bolt?
__________________
wiredgeorge Mico TX
2006 F350 CC 4WD 6.0L
2002 Keystone Cougar 278
2006 GL1800 Roadsmith Trike
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10-14-2020, 08:41 AM
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#10
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Senior Member
Join Date: Aug 2012
Location: Waco, Tx
Posts: 5,457
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Quote:
Originally Posted by wiredgeorge
Did you put a glove on when fishing around down there for the flange bolt?
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No... that ain't the worst place this old country boy as stuck their arm..
__________________
2015 Ford F350 DRW 6.7 Diesel XL
2020 Avalanche 313 RS
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10-14-2020, 11:28 AM
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#11
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Senior Member
Join Date: Jan 2013
Location: Indiana
Posts: 2,720
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Well, the dip stick method is really gross for the black tank, but it is the most accurate. It will work, regardless of the tank capacity.
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2019 Montana High Country 375FL
2014 Chevy Duramax HD 6.6 - 3500 Diesel Dully Long bed Crew Cab
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