Fresh Water Tank Capacity - Sweet Spot - Ford Transit USA Forum
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post #1 of 20 (permalink) Old 04-02-2019, 09:16:PM Thread Starter
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Fresh Water Tank Capacity - Sweet Spot

I am working on some fresh water tank options and would like to know what people think is a good capacity.

This is for a dedicated installed tank vs removable under sink type setups.

We have a 20 gallon tank in ours and I would not go for less with our needs. Much more starts taking up a lot of space and weight in my opinion. But I really want to know what others think.

Thanks in advance for your feedback.
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post #2 of 20 (permalink) Old 04-02-2019, 10:42:PM
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We have 21 gallons for a family of 4. We typically run out of water while doing dishes on the Sunday morning of a weekend trip. That’s how we know it’s time to go home.

As I am currently remodeling our van I am considering adding more capacity once I figure out where it will fit.
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post #3 of 20 (permalink) Old 04-02-2019, 11:42:PM
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I have a ten gallon tank on the pump, and am considering some folks advice of reserving that water for showering and dish washing while carrying a 5 or 6 gallon portable jug for drinking water.

The idea being about how a portable container is easier to keep clean and sanitary over time than a built-in, which will require routine chlorine, iodine, or hydrogen peroxide treatment to quell any critters that might set up camp in the built-in tank.
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post #4 of 20 (permalink) Old 04-02-2019, 11:59:PM
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We have a 40 gallon tank which should last the two of us a week of boondocking with minimal showers. We're used to backpacking and pumping our own water, so we have a pretty good idea of our usage and how to conserve.
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post #5 of 20 (permalink) Old 04-03-2019, 12:05:AM Thread Starter
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Quote:
Originally Posted by Travlin View Post
I have a ten gallon tank on the pump, and am considering some folks advice of reserving that water for showering and dish washing while carrying a 5 or 6 gallon portable jug for drinking water.

The idea being about how a portable container is easier to keep clean and sanitary over time than a built-in, which will require routine chlorine, iodine, or hydrogen peroxide treatment to quell any critters that might set up camp in the built-in tank.
I understand the simplicity of the portable jugs and I am somewhat paranoid about drinking contaminated water or bad food

That being said, we full timed in an RV for a while and have a built in 20 gallon tank in our van. We just do a standard bleach treatment after de-winterizing it each year and make sure to use a dedicated hose with a good water filter when we fill up. The water always tastes fine and we have had no issues at all. Pretty much every Class C and A RV in the country uses built in tanks. Just putting this out there. I know we each have our own take or preferences on this stuff.
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post #6 of 20 (permalink) Old 04-03-2019, 12:12:AM
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We have 15g fresh water cold and 3g hot which is used for dishes etc and wash cloth - washing up. (18g Grey under floor)
This lasts us for more than a week considering that our 'use contract' stipulates every 2-3 days a campground or AirBnB/B&B for a proper shower.
For cooking and drinking we carry an extra four 3/4g clear bottles of tap water from reliable sources (no garden hose, outdoor faucet etc).
Our in-floor showerpan with some shower curtain setup time has been rarely used.
If I was on my own, that shower setup would probably be enough, but the trips would be much less fun.

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post #7 of 20 (permalink) Old 04-03-2019, 02:27:AM
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I have a 20 gal tank, 3 people, no shower, usually boondock. Didn’t last for 4 days or so, so decided to also get a portable 4 gal tank that resides under a bed platform, accessible from the rear doors. Extends time before refilling nicely, and it’s awesome to have a “water bottle filling station” of sorts, conveniently accessible, especially when someone else is blocking the space inside near the sink.


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post #8 of 20 (permalink) Old 04-03-2019, 07:51:AM
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Quote:
Originally Posted by driley View Post
I understand the simplicity of the portable jugs and I am somewhat paranoid about drinking contaminated water or bad food

That being said, we full timed in an RV for a while and have a built in 20 gallon tank in our van. We just do a standard bleach treatment after de-winterizing it each year and make sure to use a dedicated hose with a good water filter when we fill up. The water always tastes fine and we have had no issues at all. Pretty much every Class C and A RV in the country uses built in tanks. Just putting this out there. I know we each have our own take or preferences on this stuff.
I appreciate the perspective. It makes sense and I too was thinking that if I either drained or filled after each trip that would likely help in mitigating any problem. Having a dedicated hose (or container) for filling eliminates another variable in the equation. Another approach under consideration was to carry the 6 gallon portable cube, full, for refilling the 10 gallon tank.
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post #9 of 20 (permalink) Old 04-03-2019, 08:41:AM
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In a past life we used Food Grade Hose for potable water, Flushed with Bleach once a year and inspected by the Health department weekly.


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post #10 of 20 (permalink) Old 04-03-2019, 09:35:AM
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I have a 24 gallon SS fresh water tank inside the van. We live on a property with a well but do not use the well water. Always fill the tank with city water and drain it after each trip.

Have 12 gallon grey tank under the floor. First drain that and then add some of the remaining fresh water into the grey tank. After driving a bit then dump the grey tank a second time.

Use a sanitary hose to fill tank that has a RV water filter attached to the hose.

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