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02-17-2016, 05:03 PM
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#1
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Senior Member
Join Date: Oct 2015
Location: Maine
Posts: 471
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It's been bugging me !!!!
Why is it the black tank is the same size as the grey.
The grey tank will fill must faster than the black.... which can take a week to fill.
Would it be hard for factories to install a smaller black tank and a bigger grey tank !!! And if weight is an issue, why not a small black one and two medium size grey tanks connected !!!!!
Let's see what the folks on this forum have to say about this issue !!!
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02-17-2016, 05:07 PM
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#2
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Senior Member
Join Date: Dec 2015
Location: Eastern NC
Posts: 3,963
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I have 60 FW, 38 BW, and 2 GW 38,,, different coaches/different floor plans have different capacities.
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02-17-2016, 05:35 PM
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#3
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Senior Member
Join Date: Apr 2015
Location: Liverpool NY
Posts: 967
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My Black and Gray tanks are each 30 gallons and that's the way I like it. The Gray tank fills much faster, of course. But, I'd rather dump the Gray tank 10 times into a tote than I would the Black tank once.
__________________
2015 Shamrock 23IKSS, Oyster shell
2019 Chev Silverado LT Z71 Ext. Cab, 4x4, 5.3L V/8
Reese Straight Line WDH, 2000W Honda Gen.
2 Old Town kayaks & 2 Boston Terriers - Zoey/Gonzo
Lar & Ruth
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02-17-2016, 05:42 PM
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#4
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Senior Member
Join Date: Jul 2014
Location: Nanaimo
Posts: 487
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Drenjoey.......
Don't be so hard on yourself....
There is probably only one reason that they go with the same size tanks all around..... it makes it easier for the manufacturing.
My 5th wheel has 37 gal blk, 2X 37 gal grey , and 43 fresh.
However, the fresh water tank is 37 gal.. 'but' I have been corrected in the past to include the water in the hot water tank to be included in the 'fresh water count'.
On a chance of getting too personal.... ... when you say ..."the black.... which can take a week to fill"....
Lets be sure you are using "plenty" of water during your flushes.
By using lots of water (unless you are boon docking) it will help eliminate problems with plugging and help when dumping the tank.
When it's time to dump the black tank...I always fill my black tank via the rinse connection and keep it running during the 'dump cycle'.
I will close the gate valve...fill tank... and dump again....when at CG's.
Hope this helps
Islander
__________________
'07 WildCat 30 RLBS ~ West Coast Edition ~ Trail Air - Tri Glide Pin Box 2000 F350 Lariat DRW 4x4 7.3 Diesel 89k miles Edge programmer, 4" SS exhaust turbo/back, Tru-Cool Max Trans Cooler, Bilstein Shocks Vancouver Island, B.C., Canada
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02-17-2016, 05:54 PM
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#5
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GLCM Warrior
Join Date: Mar 2014
Location: Northern Colorado
Posts: 277
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Our grey tanks usually fill faster too but in a pinch I've used a 5-gallon bucket to empty some of the grey tank & then walk it around and pour it into the toilet/black.
I don't want to even think about doing that the other way around!
__________________
2014 Wildcat 312QBX
2014 Ford F350 SD 4X4 CC LB 6.7L PSD
Bob & Debbie, USAF Retired
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02-17-2016, 05:57 PM
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#6
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Site Team
Join Date: Mar 2014
Location: Grayson County, Texas
Posts: 21,502
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I have 1 50 gallon black tank and
2 50 gallon gray tanks. Suits us.
__________________
2015 FR Wildcat 295RSX / GMC Sierra
Nights Camped: '13 = 49/'14 = 74/'15 = 74/'16 = 85/'17 = 110/'18 = 111/'19 = 86/'20 =108/'21 = 115/'22 = 135/'23 = 78; Booked for 2024 = 69
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02-17-2016, 06:05 PM
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#7
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Senior Member
Join Date: Oct 2015
Location: Western, NY
Posts: 438
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Our configuration gives us...FW - 60...GW - 70...BW - 35
This was actually one of the things I was looking for in a unit and one of the reasons we choose this one.
__________________
2016 Prime Time Crusader 294RLT
2021 RAM 3500 Laramie Mega HO\CTD, CC, 4x4...ect
Days Camped in last 3 years - 79
Planned Days in 2021 - 50
Days Camped in 2021 - 0
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02-17-2016, 07:14 PM
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#8
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Senior Member
Join Date: Oct 2015
Location: Maine
Posts: 471
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CaptnJohn.....Islander.....MrDan .......and Justice12t, all have fifth wheel or large camper with huge tanks or two grey tanks.
Where did I post my thread !!!! ............that's no fair guys !
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02-17-2016, 07:32 PM
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#9
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Senior Member
Join Date: Oct 2015
Location: Western, NY
Posts: 438
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Haha sorry you are correct. However I do still have my hybrid and that has very small tanks that I always felt I had to empty in the tote...I believe they are close to 20-30 a piece...it was really a pain sometimes though...I feel like it was a 2 to 1 empty ratio...
__________________
2016 Prime Time Crusader 294RLT
2021 RAM 3500 Laramie Mega HO\CTD, CC, 4x4...ect
Days Camped in last 3 years - 79
Planned Days in 2021 - 50
Days Camped in 2021 - 0
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02-17-2016, 07:45 PM
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#10
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Site Team
Join Date: Jan 2007
Location: Goodyear, Arizona
Posts: 33,607
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Quote:
Originally Posted by Drenjoey
Why is it the black tank is the same size as the grey.
The grey tank will fill must faster than the black.... which can take a week to fill.
Would it be hard for factories to install a smaller black tank and a bigger grey tank !!! And if weight is an issue, why not a small black one and two medium size grey tanks connected !!!!!
Let's see what the folks on this forum have to say about this issue !!!
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Are you talking about hybrid TTs or all RVs?
Cause some of the responses are from those with other larger RVs, that do have gray tanks that are bigger than their black tanks.
IMHO, hybrids have size limitations, so they have to make compromises for all three tanks.
__________________
Dan-Retired California Firefighter/EMT
Shawn-Musician/Entrepreneur/Wine Expert
and Zoe the Wonder Dog(R.I.P.)
2016 PrimeTime TracerAIR 255, pushing a 2014 Ford F150 SCREW XTR 4x4 3.5 Ecoboost w/Max Tow Package
4pt Equal-i-zer WDH and 1828lbs of payload capacity
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02-17-2016, 08:34 PM
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#11
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Site Team
Join Date: Mar 2014
Location: Grayson County, Texas
Posts: 21,502
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Quote:
Originally Posted by Drenjoey
CaptnJohn.....Islander.....MrDan .......and Justice12t, all have fifth wheel or large camper with huge tanks or two grey tanks.
Where did I post my thread !!!! ............that's no fair guys !
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Obviously, forum members don't always ferret out which sub-forum a post is in.
Many of us look at a poster's signature block to determine what units are being referenced... or we read it in the text. Sorry.
__________________
2015 FR Wildcat 295RSX / GMC Sierra
Nights Camped: '13 = 49/'14 = 74/'15 = 74/'16 = 85/'17 = 110/'18 = 111/'19 = 86/'20 =108/'21 = 115/'22 = 135/'23 = 78; Booked for 2024 = 69
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02-17-2016, 08:35 PM
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#12
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Senior Member
Join Date: Dec 2015
Location: Eastern NC
Posts: 3,963
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Quote:
Originally Posted by Drenjoey
CaptnJohn.....Islander.....MrDan .......and Justice12t, all have fifth wheel or large camper with huge tanks or two grey tanks.
Where did I post my thread !!!! ............that's no fair guys !
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I did the 'tote' thing decades ago but now that I'm old and gray ~~ no way!
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02-17-2016, 11:53 PM
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#13
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Site Team
Join Date: Jan 2007
Location: Goodyear, Arizona
Posts: 33,607
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Quote:
Originally Posted by Mr. Dan
Obviously, forum members don't always ferret out which sub-forum a post is in.
Many of us look at a poster's signature block to determine what units are being referenced... or we read it in the text. Sorry.
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Often posters have to specify type or brand of RV they're asking about, in their opening post.
Otherwise you'll get responses from others that have nothing to do with the OP's type of RV.
They never look at which section or sub-forum it's posted in.
__________________
Dan-Retired California Firefighter/EMT
Shawn-Musician/Entrepreneur/Wine Expert
and Zoe the Wonder Dog(R.I.P.)
2016 PrimeTime TracerAIR 255, pushing a 2014 Ford F150 SCREW XTR 4x4 3.5 Ecoboost w/Max Tow Package
4pt Equal-i-zer WDH and 1828lbs of payload capacity
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02-18-2016, 05:20 AM
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#14
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Senior Member
Join Date: Oct 2015
Location: Maine
Posts: 471
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Thanks Dan,
I thought that since I put my question in the ( expandable and hybrid forum), I would get answers only from folks who have that type of camper!
Different sites, different ways (You know what I mean Dan)
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02-18-2016, 07:50 AM
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#15
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Senior Member
Join Date: Oct 2015
Posts: 2,270
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Drenjoey,
Take a look at your grey and black tanks. They should have VB22548H cast into the bottom surface. If so they are 33 gallons each and not the 28 gallons as listed in the Rockwood brochure or website.
There should be a sticker on the fresh tank and it should be VB28546W.
That's a 39 gallon tank. They show the freshwater capacity as 43 which does not add up. It should be 45 however the 6 in the heater is not usable.
Even the yellow weight sticker is wrong which probably tells you that a full load of water weighs 249 lbs. It should read 375 lbs.
Link to the tank manufacturers info.
Detail - Alpha Systems, LLC
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02-18-2016, 01:28 PM
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#16
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Senior Member
Join Date: Apr 2010
Location: Campbell River, BC
Posts: 182
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Quote:
Originally Posted by Drenjoey
Why is it the black tank is the same size as the grey.
The grey tank will fill must faster than the black.... which can take a week to fill.
Would it be hard for factories to install a smaller black tank and a bigger grey tank !!! And if weight is an issue, why not a small black one and two medium size grey tanks connected !!!!!
Let's see what the folks on this forum have to say about this issue !!!
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When boondocking we use a small plastic tray that fits in the sink for doing dishes. We then dump the water into the toilet.
__________________
Anders Campbell River,
BC. Canada
Pony: 2017 Dodge 3500 Longhorn 4x4, Quad Cab Chuckwagon: 2020 GD Solitude 310 GK
My RV Cookbook now on Amazon! USA or Canada
Travel Blog
Cooking Blog
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02-18-2016, 01:50 PM
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#17
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Member
Join Date: Feb 2015
Location: Burnsville, MN
Posts: 61
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Drenjoey < hasn't been to my campsite on beer & taco night!
Sorry...couldn't resist!
__________________
Doreen & John
2015 XLR Thunderbolt 340x12HP
2015 F350 Lariat SC SB 4x4 6.7 SRW
2012 HD Ultra Classic
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02-18-2016, 02:06 PM
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#18
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Senior Member
Join Date: May 2013
Location: La Mirada, CA
Posts: 528
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Our Cardinal 5er has a 37 gal black tank and 2 37 gal gray tanks. 70 gal fresh water. The spec says the tanks are 40 gal, but when I was replacing the black tank sprayer I noticed it says 37 gal right on the tanks.
__________________
Gary and Donna
2005 Cardinal 33TS-LX
Trail Air pin box
Center Point suspension
2018 Ram Laramie 3500 6'4" box 2WD
Demco AutoSlide 18k
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02-18-2016, 03:24 PM
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#19
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Senior Member
Join Date: May 2014
Posts: 210
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I have become very proficient on saving water. I can make the grey and black tanks last a week or so. Carry water for drinking and cooking. If we wash dishes inside we use a dish pan and discard it down the toilet. Usually need to put a few 5gal buckets in the FW during the week.
2015. Roo
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02-18-2016, 04:57 PM
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#20
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Senior Member
Join Date: Oct 2015
Location: Maine
Posts: 471
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Quote:
Originally Posted by Telstar
Our Cardinal 5er has a 37 gal black tank and 2 37 gal gray tanks. 70 gal fresh water. The spec says the tanks are 40 gal, but when I was replacing the black tank sprayer I noticed it says 37 gal right on the tanks.
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Your Cardinal has two grey tanks ( But it's a fifth wheel ) .
Don't forget that what I have is an Hybrid ! and as MrHavercamp mentioned: I have two 33 gallons tanks on my Roo ( One black and one grey ).
Why can't the factory install one 22 gallon black tank and two 22 gallons grey tanks.
I guess that would be too easy !!!!!!!
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