Bus Conversions dot Com Bulletin Board
September 03, 2014, 12:07:40 AM *
Welcome, Guest. Please login or register.

Login with username, password and session length
News: If you had an E-Mag Subscription: It will not be stolen by your mailman or your neighbor who also may be into buses.
   Home   Help Forum Rules Search Calendar Login Register BCM Home Page Contact BCM  
Pages: 1 2 3 [All]   Go Down
  Print  
Author Topic: What size water / waste tanks are you using  (Read 2189 times)
Dlsnow
dave
Full Member
***
Offline Offline

Posts: 170


dave




Ignore
« on: November 18, 2013, 12:20:06 PM »

I am redoing my plumbing and wonder what everyone is doing for holding tanks.

I currently have a 178 gallon for fresh (from trioniccorp) that fits with only a couple inches clearance in my bay.  It is rectangular and seems to me to be the max Size unless there are "L" shaped tanks.

Anyone have any advice
Logged

1972 MCI7 8v71 converted - 1kw solar on roof
eagle19952
Hero Member
*****
Offline Offline

Posts: 936




Ignore
« Reply #1 on: November 18, 2013, 12:39:43 PM »

1 ea. 60 gallon grey
1 ea. 60 gallon black
2 ea. 60 gallon fresh

I can divert grey to black
Logged
Iceni John
Hero Member
*****
Offline Offline

Posts: 794




Ignore
« Reply #2 on: November 18, 2013, 12:47:30 PM »

It really depends what you will be doing with your bus  -  boondocking or in campgrounds, fulltiming or weekends-only?   Because I'm setting up my bus for extended boondocking, self-sufficiency is the priority, hence I have two 110-gal freshwater tanks, a 115-gal gray and a 65-gal poo, all rotomolded by Ronco from 3/8" polyethylene and with lots of fittings spin-welded in.   Why those sizes?   They're the very largest that fit!   I have less than 1/4" gap between the poo tank and bodyside, so even custom-made tanks wouldn't have been any bigger.   For my bus's intended use I simply have the biggest or most of whatever it is, whether tanks or PV panels, so I can't regret later not putting in more or larger!

John  
Logged

1990 Crown 2R-40N-552:  6V92TAC, DDEC II, HT740, Jake.      Hecho en Chino.     
Behind the Orange Curtain, SoCal.
HB of CJ
Hero Member
*****
Offline Offline

Posts: 1246




Ignore
« Reply #3 on: November 18, 2013, 01:28:39 PM »

Excellent answers already given and thank you.  Just an addition here in that a big fresh water capacity does not necessarily mean that the tanks be kept completely full...or even used.  With full hookups or non boondocking, you can load up on less water and thus save all that weight, center of balance and handling and all that.  HB of CJ (old coot)
Logged
Bill B /bus
Sr. Member
****
Offline Offline

Posts: 267





Ignore
« Reply #4 on: November 18, 2013, 01:35:36 PM »

Two tanks. One for fresh water and one for waste. Each at 125 gallons. We go 10-12 days when dry camping. That leaves sufficient room  for plumbing manifolds, Webasto, water heater, aux fuel tank at 50 gallons and storage for all the misc stuff for hoses and lube supplies.

Bill
Logged

Bill & Lynn
MCI102A3, Series 50 w/HT70
bevans6
Hero Member
*****
Offline Offline

Posts: 4600


1980 MCI MC-5C




Ignore
« Reply #5 on: November 18, 2013, 01:51:37 PM »

I have 100 fresh and 100 grey/black.  I've never had either over 2/3 full.  There is room for larger tanks, but that's what the bus came with and I ain't changing them...

Brian
Logged

1980 MCI MC-5C, 8V-71T from a M-110 self propelled howitzer
Spicer 8844 4 speed Zen meditation device
Vintage race cars -
1978 Lola T440 Formula Ford
1972 NTM MK-4 B/SR
gus
Hero Member
*****
Offline Offline

Posts: 3507





Ignore
« Reply #6 on: November 18, 2013, 02:10:44 PM »

120 and 120. We mostly travel, not camp, but this will last us about a week if needed.
Logged

PD4107-152
PD4104-1274
Ash Flat, AR
TomC
Hero Member
*****
Offline Offline

Posts: 6752





Ignore
« Reply #7 on: November 19, 2013, 08:39:59 AM »

The bus has 130 fresh under the bed. Underneath is 85gal gray, 45gal black. The truck will have 200 fresh, 115 gray, 69 black.
With the bus, the two of us can squeeze a week if we're really careful-that's why I'm going to bigger in the truck so we can easily stay put for a week (we like our daily showers). Good Luck, TomC
Logged

Tom & Donna Christman. '77 AMGeneral 10240B; 8V-71TATAIC V730.
Frank @ TX
Full Member
***
Offline Offline

Posts: 221




Ignore
« Reply #8 on: November 19, 2013, 08:46:34 AM »

Hi Disnow,
We have 150 fresh and 165 waste.
We do a lot of dry camping at the shore and Q-site type places.
This works for us for between 7 and 10 days.
We go for water and dump when we get down to about 30 gal water.
Frank
Logged
wagwar
Full Member
***
Offline Offline

Posts: 176


WWW

Ignore
« Reply #9 on: November 19, 2013, 08:51:05 AM »

We have 165 gal fresh tank and 165 gal black/gray tank. Usually keep the fresh tank at 50% or less for weight. We can't divert the gray water - very few occasions where that is possible anyway. I have yet to fill the black/gray, but plan to do some boondocking and will probably get there sometime.  I also installed a 42 gal. aux fuel tank for the generator and Aqua Hot. I didn't like pulling fuel out of the main tank for those.
Logged

gumpy
Some Assembly Required
Hero Member
*****
Offline Offline

Posts: 3221


Slightly modified 1982 MC9


WWW

Ignore
« Reply #10 on: November 19, 2013, 08:38:00 PM »

150 Fresh in 3 tanks
150 Waste in 1 tank


http://www.gumpydog.com/Bus/MC9_WIP/Plumbing/Holding_Tank_Fabrication/holding_tank_fabrication.htm

Logged

Craig Shepard
Located in Minnesquito

http://bus.gumpydog.com - "Some Assembly Required"
white-eagle
Hero Member
*****
Offline Offline

Posts: 1184





Ignore
« Reply #11 on: November 20, 2013, 06:27:56 AM »

we've got 100 for each, fresh, grey and black.  we can squeeze a little over a week with the fresh, and the separate waste tanks allow us some room to drip a little if we are somewhere without a dump.  if you've got a combined waste, you can't ever drip.  we can go about a month on the black.  we don't spend a lot of time boondocking completely, although we do camp where it's water and electric only.  We also use the pump/tank rather than straight out of the water source many times just because it's too cold, or it takes a while to get the rust out, so we fill the tank with rust free water. The on/off regular use from the spigot caused us to get rusty water in the ice tray, drinking water, etc.
Logged

Tom
1991 Eagle 15 and proud of it.
8V92T, 740, Fulltime working on the road.

Fran was called to a higher duty 12/16/13. I lost my life navigator.
FloridaCliff
Hero Member
*****
Offline Offline

Posts: 2458


"The Mighty GMC"




Ignore
« Reply #12 on: November 20, 2013, 06:49:54 AM »

Disnow,

We have 120 gallons fresh, 100 Gray and 80 Black.  When I bought my bus, the previous owner had acquired the tanks, not exactly what I wanted, but as others have implied, not worth the difference to change them.  The Gray and/or Black are tied together by valving if desired and overflow to allow for additional capacity, only needed on the gray side so far.

As others have stated, how you use it is paramount in the tanks size decision, but planning for a change in use is always easier to do in the planning stages.

I would probably go with a larger fresh tank say 200 gallons, just for capacity to allow for a longer boon-dock if required.  Probably will be easier to manage the water usage when it's just me and the wife....
You will produce a lot more gray water than you think.  I would plan for at least 75% of your fresh.  If your filling the black first, it might be time for a diet adjustment... Wink

Best of luck,

Cliff

Logged

1975 GMC  P8M4905A-1160    North Central Florida

"There are basically two types of people. People who accomplish things, and people who claim to have accomplished things. The first group is less crowded."
Mark Twain
Jerry32
Hero Member
*****
Offline Offline

Posts: 726





Ignore
« Reply #13 on: November 20, 2013, 10:10:06 AM »

I designed for RV parks with 60 grey 45 black 25 fresh and it worked well for me. I also have 100 veg oil tank and can carry another 100 if necessary. Jerry
Logged

1988 MCI 102A3 8V92TA 740
Dlsnow
dave
Full Member
***
Offline Offline

Posts: 170


dave




Ignore
« Reply #14 on: November 21, 2013, 06:15:13 AM »

We boondock 100% and travel with 8 children.  So for us capacity and economy of use are critical.

We have found 100 ways we overuse water and can stretch our 178 gallon fresh, 8 gal grey/black.  We can stretch it to about 10 days as is.

My question is if anyone knows of L shaped tank manufacturers.

Thanks all
Logged

1972 MCI7 8v71 converted - 1kw solar on roof
BRUISER
Sr. Member
****
Offline Offline

Posts: 304


WWW

Ignore
« Reply #15 on: November 21, 2013, 10:26:17 AM »

we bought our bus in July 2011 and have been on 19 trips since then..

over half have been boondocking and the one thing I have learned is get as big of a gray tank as possible if you plan to boondock.

I have 100 gallon fresh water
45 gallon gray
45 gallon black

I have just recently started to see how to modify my gray tank mounts to get a much larger tank..

even when we take military showers we can usually only go 3 to 4 days with that small gray tank..
That is 2 adults and 2 kids.
we have never had an issue with the black tank..
Logged

iMPAKS.com
Raleigh, NC
1983 MCI MC-9
Scott Bennett
Scott & Heather MCI-9
Hero Member
*****
Offline Offline

Posts: 1273


Scott & Heather


WWW

Ignore
« Reply #16 on: November 24, 2013, 05:18:36 AM »

With tanks, IMO bigger is always better. We have 100 gal fresh and 100 gal black/grey combo. I have diverter valves on the shower and washing machine so they can dump grey directly to ground in emergency or acceptable situations when I don't have  a sewer connection which is rare. Someday in coach number two we are planning tanks twice that size. Fwiw, I'll never separate my grey and black tanks. Grey water stinks worse than black so might as well put them all together. Keeps the black tank cleaner and better flowing and if I'm short on tank space I'll just divert the grey water to the ground.


Sent from my iPhone using Tapatalk. Clumsy fingers may contribute to mistakes.
Logged

Scott & Heather
1984 MCI9 6V92-turbo with 9 inch roof raise & conversion in progress.
http://www.scottmichaelbennett.com/p/our-bus.html
˙ǝɯoɔlǝʍ suoıʇɐuop ˙snq ʍǝu ɐ pǝǝu ʎlqɐqoɹd ll,ǝʍ 'sıɥʇ pɐǝɹ uɐɔ noʎ ɟı
akroyaleagle
Sr. Member
****
Offline Offline

Posts: 441





Ignore
« Reply #17 on: November 24, 2013, 11:42:34 AM »

There are tanks available in whatever shape you require.

We have 100 gal fresh and 100 gal waste.

We also have a gray water bypass that lets us bypass any combination of the two sinks and shower.

I've found that it's best to let the bath sink drain into the tank when bypassing the other two.

In 18 years, we have only needed the bypass twice. Both times were at friends homes with no dump.
Bypassed to a corner of the yard to water flowers.

We do not do long (more than 5 days) dry camping often. Only a couple of times at Quartzite.
Even then, we just went and dumped and refilled. Not a big deal. Certainly not worth hauling around bigger tanks
that would require another bay.

Logged

Joe Laird
'78 Eagle
Huron, South Dakota
TomC
Hero Member
*****
Offline Offline

Posts: 6752





Ignore
« Reply #18 on: November 24, 2013, 01:59:19 PM »

If your gray tank gives off the rotten egg odor, just dump some bleach into the tank (about 2 cups) and magic-the smell is gone. I've always had separate gray and black tanks. There have been plenty of times I've had to dump my gray before the black. I have a curb side dump to dump into a drain if need be. Good luck, TomC
Logged

Tom & Donna Christman. '77 AMGeneral 10240B; 8V-71TATAIC V730.
Iceni John
Hero Member
*****
Offline Offline

Posts: 794




Ignore
« Reply #19 on: November 24, 2013, 04:08:43 PM »

My question is if anyone knows of L shaped tank manufacturers.

http://www.plastic-mart.com/category/2000/plastic-tank-manufacturers

How about using two interconnected tanks instead?   If you have heavy-duty (or extra-heavy-duty if available) threaded fittings spin-welded into the tanks, you'll be able to make a 100% reliable connection between them.   Ronco in Tustin CA made all four of my tanks, and they used these fittings:  http://www.bunnweb.org/spinwelding.com/index2.htm

John
Logged

1990 Crown 2R-40N-552:  6V92TAC, DDEC II, HT740, Jake.      Hecho en Chino.     
Behind the Orange Curtain, SoCal.
scanzel
Hero Member
*****
Offline Offline

Posts: 514





Ignore
« Reply #20 on: November 24, 2013, 04:42:19 PM »

110 fresh, 110 black/gray and 50 diesel for Proheat and 9kw generator.
Logged

Steve Canzellarini
Berlin, CT
1989 Prevost XL
harleyman_1000
Sr. Member
****
Offline Offline

Posts: 406



WWW

Ignore
« Reply #21 on: November 24, 2013, 06:41:08 PM »

 Im not sure what size my tanks are? I have a cylinder fresh tank and a rectangle waste black/grey. Is there a way to measure the tanks dimensions to determine how many gallons they hold? If so can you tell me how to figure it?
Logged

Scott 
St.Louis Missouri

1958 GM 4104 Extended 2 feet, with a 6v92 and 5 speed automatic

http://s783.photobucket.com/user/harleyman_1000/library/Gm4104%20bus?sort=3&page=1
Dave5Cs
Hero Member
*****
Offline Offline

Posts: 1523


1979 MCI MC5Cs 6V-71 HT-740 Allison, Roseville, CA




Ignore
« Reply #22 on: November 24, 2013, 09:25:33 PM »

Scott just put the numbers in and it will tell you. Grin

http://www.watertanks.com/calc.asp

Dave5Cs
« Last Edit: November 24, 2013, 09:27:11 PM by Dave5Cs » Logged

TomC
Hero Member
*****
Offline Offline

Posts: 6752





Ignore
« Reply #23 on: November 24, 2013, 09:44:46 PM »

My fresh water tank on my truck is two 98gal tanks tied together. Then have 110gal gray, 69gal black, 150gal fuel for the truck and 75gal for genset (both fuel tanks are tied together with bottom cross over with valves), and 20gal propane. Why so much-because I can! Good Luck, TomC
Logged

Tom & Donna Christman. '77 AMGeneral 10240B; 8V-71TATAIC V730.
harleyman_1000
Sr. Member
****
Offline Offline

Posts: 406



WWW

Ignore
« Reply #24 on: November 24, 2013, 10:10:51 PM »

Scott just put the numbers in and it will tell you. Grin

http://www.watertanks.com/calc.asp

Dave5Cs



Thanks Dave
Logged

Scott 
St.Louis Missouri

1958 GM 4104 Extended 2 feet, with a 6v92 and 5 speed automatic

http://s783.photobucket.com/user/harleyman_1000/library/Gm4104%20bus?sort=3&page=1
Seangie
www.herdofturtles.org
Hero Member
*****
Offline Offline

Posts: 852


And We're Off... Like a Herd of Turtles


WWW

Ignore
« Reply #25 on: November 25, 2013, 05:36:53 AM »

Dave (dlsnow),

We bought our tanks from Ronco.  They have a great selection of tanks.  Its funny that they have so many tanks but it still took a while to choose the right ones.  They will make them to order for you but it will cost you a penny or two for that.  The tanks are high quality tanks and I don't think I'll ever have to worry about leaks from them.  3/8" walls and the fittings are spun welded and all fixtures are exactly square off the tank.  They did a great job at putting the right fixtures exactly where I asked for them.  Linda who I spoke with from Ronco (I think it was Linda) got me the tanks for half the listed price.

If you want to do an "L" shaped tank - it might be easier to find (2) rectangular tanks and just do as John mentioned and interconnect them.  This also might give you opportunities to change it up down the road as well as make it easier to pull the tanks if you ever had to.  I built a "cage" for my Fresh/Gray tanks as neither is strapped down but tightly squeezed into the cages to fit.  There is a chance they could have some vertical movement, especially on a bouncy road but so far we have had no issues with setting up the tanks this way.  The black tank is strapped in tightly and will not move.

We are fulltiming with 4 kids and have (1) 115 gallon Fresh tank, (1) 115 gallon gray tank and (1) 40 gallon black tank.  We can go normal about 4 days with that setup, longer if we stretch it. It can quickly run low in 2 days if we are all showering and do a load of laundry.   With the gray tank being the same size as the fresh tank you really only have to monitor your fresh water supply as when your fresh water is out your gray tank is full.  Unless you fill up at some point without dumping the gray.  I looked at combining the gray/black, having more fresh water than gray and having a larger black tank but after talking to a few other well seasoned fulltiming and RV pros they convinced me that the best system is matched sized fresh/gray and a separate black tank.

One other thing we did was to attach a dual house type water filtering system inline with the fresh water connection.  This filters the city water coming into the bus whether it is going to the tanks or straight into the coach.  If it goes into the tanks it gets filtered a second time (once when we fill and again when we use it) before it gets used.  I also installed a fresh water drinking filter at the sink (If you read our blog you will see that has caused some problems as well...nothing to do with the plumbing though) So we can filter the water a third time with a drinking water filter.  Ultimately I'd like to put a ceramic filter at the fresh water drinking tap but we needed it in a hurry so everything was bought from the big box home repair store.

Im amazed that you have 178 gallons of fresh water! Thats a ton of weight!   

Let us know what your project is and what you decide and how it works out.

thanks.

-Sean
www.herdofturtles.org
1984 Model 10S
Logged

'Cause you know we,
we live in a van (Eagle 10 Suburban)
Driving through the night
To that old promised land'
belfert
Hero Member
*****
Offline Offline

Posts: 5426




Ignore
« Reply #26 on: November 25, 2013, 05:59:01 AM »

I have a 105 gallon fresh water tank and about a 125 gallon waste tank.  It is basically about the largest I could get in a single bay with a standard tank size.  Waste tank should be bigger than the fresh tank if you really want to use all the fresh water.  Bodily fluids and TP will take up extra space in the waste tank.
Logged

Brian Elfert - 1995 Dina Viaggio 1000 Series 60/B500 - 75% done but usable - Minneapolis, MN
Oregonconversion
Sr. Member
****
Offline Offline

Posts: 300



WWW

Ignore
« Reply #27 on: November 28, 2013, 10:42:22 PM »

165 fresh
170 black/grey

option to put shower/ sinks to the ground Wink
Logged

1977 MC8
8V92 HT740
Scott Bennett
Scott & Heather MCI-9
Hero Member
*****
Offline Offline

Posts: 1273


Scott & Heather


WWW

Ignore
« Reply #28 on: November 29, 2013, 03:01:26 AM »

^ nice. That's what I want. Actually 200 gallons would make me sing.


Sent from my iPhone using Tapatalk. Clumsy fingers may contribute to mistakes.
Logged

Scott & Heather
1984 MCI9 6V92-turbo with 9 inch roof raise & conversion in progress.
http://www.scottmichaelbennett.com/p/our-bus.html
˙ǝɯoɔlǝʍ suoıʇɐuop ˙snq ʍǝu ɐ pǝǝu ʎlqɐqoɹd ll,ǝʍ 'sıɥʇ pɐǝɹ uɐɔ noʎ ɟı
luvrbus
Hero Member
*****
Offline Offline

Posts: 12330




Ignore
« Reply #29 on: November 29, 2013, 03:24:50 AM »

Here in AZ and other states the dumping of grey water is against the law,but the dumping of wash water (shower) is not a system with the kitchen sink tied into the tank where food particles are in the water is classified as sewage in most states just passing it on
Logged

Life is short drink the good wine first
harleyman_1000
Sr. Member
****
Offline Offline

Posts: 406



WWW

Ignore
« Reply #30 on: November 29, 2013, 08:36:02 AM »

If I figured it right I have a cylinder 90 gallon fresh water tank ( it measures 20" diameter and 65" in height., and a rectangle 120 gallon black tank that measures 15' high 28 wide and 64 inches long. Both tanks can be filled or drained from either side.
Logged

Scott 
St.Louis Missouri

1958 GM 4104 Extended 2 feet, with a 6v92 and 5 speed automatic

http://s783.photobucket.com/user/harleyman_1000/library/Gm4104%20bus?sort=3&page=1
HighTechRedneck
Global Moderator
Hero Member
*****
Offline Offline

Posts: 2927


BCM Editor


WWW
« Reply #31 on: November 29, 2013, 09:06:16 AM »

By the way, in case anyone is interested and didn't know, there is a tank size/capacity calculator in the tools section of the BCM website.

http://www.busconversions.com/tools/rectangletank.html

Logged
Scott Bennett
Scott & Heather MCI-9
Hero Member
*****
Offline Offline

Posts: 1273


Scott & Heather


WWW

Ignore
« Reply #32 on: November 29, 2013, 09:26:04 AM »

Here in AZ and other states the dumping of grey water is against the law,but the dumping of wash water (shower) is not a system with the kitchen sink tied into the tank where food particles are in the water is classified as sewage in most states just passing it on


But my neighbors dog can poop on my lawn every morning and evening. I don't buy into that silliness and hence have a hidden (routed next to the air tank between my rear duals) drain exit. 95% of the time, we have a sewer connection and it isn't an issue, but when parked on the side of the road or near parking lot drain, and showering, well...yeah.


Sent from my iPhone using Tapatalk. Clumsy fingers may contribute to mistakes.
Logged

Scott & Heather
1984 MCI9 6V92-turbo with 9 inch roof raise & conversion in progress.
http://www.scottmichaelbennett.com/p/our-bus.html
˙ǝɯoɔlǝʍ suoıʇɐuop ˙snq ʍǝu ɐ pǝǝu ʎlqɐqoɹd ll,ǝʍ 'sıɥʇ pɐǝɹ uɐɔ noʎ ɟı
dellisor
David M Ellisor
Newbie
*
Offline Offline

Posts: 42





Ignore
« Reply #33 on: December 01, 2013, 06:15:17 PM »

In my 4104 I have two tanks the fresh is stainless 140 gallons in an L shape and waste is also in an L shape but it is 150 gallons Both stainless ( made of Q qroup stafety related material lol )
Logged
Pages: 1 2 3 [All]   Go Up
  Print  
 
Jump to:  

Powered by MySQL Powered by PHP Powered by SMF 1.1.18 | SMF © 2013, Simple Machines Valid XHTML 1.0! Valid CSS!