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Old 02-29-2020, 10:30 AM   #1
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2019 25' Flying Cloud
West Windsor , Vermont
Join Date: Dec 2014
Posts: 58
How long?

Started out for a 3-4 month road trip with a full fresh home water tank. Some camp ground accommodations and some 3-4 day dry camping... it would take some time to deplete the 30+ gallon tank. How long would you continue using the same stored fresh water? Thanks
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Old 02-29-2020, 10:39 AM   #2
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2019 30' Classic
Canfield , Ohio
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If you are concerned about fresh drinking water, get yourself a Burkey water filter for inside the trailer. It can filter everything including pond water.

As for 30 gallons, my wife can use that up in one shower!
Tom & Doty
2019 Airstream Classic 30 Twin
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Old 02-29-2020, 10:54 AM   #3
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Originally Posted by Peterf View Post
it would take some time to deplete the 30+ gallon tank. How long would you continue using the same stored fresh water?
Since I live on the Gulf Coast where Hurricane Season replaces Summer and Autumn, I routinely keep my fresh water tank full from June 1st to November 30th each year in case of a hurricane evacuation, with no adverse effects.

Modern fresh water tanks like yours are made of a food-grade plastic that will not leach chemicals into the water to give it a "plastic" taste, though older tanks (before about 1988) predate the "food grade" classification and may (or may not) leach chemicals into the water over time.

As long as the fresh water system was properly sanitized when you de-winterized, and you added clean fresh water from a trusted source, it should not stagnate no matter how long it's in the tank. Stagnation only occurs if there is something biological in the water, which should not be a problem unless oyu get bugs or dead leaves or something into the tank. The worst that would happen otherwise would be the water starting to taste "flat" from depletion of dissolved oxygen over time, but a simple aerator on the faucet fixes that.
I thought getting old would take longer!
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Old 02-29-2020, 11:07 AM   #4
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2018 25' International
Slidell , Louisiana
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From a sanitary standpoint it is fine for the foreseeable future given the tank remains closed since it is shielded from the sun and not subject to contaminates including dust and such. Since your trailer is new, it may pick up a slight plastic odor and taste, and that is when I would stop using it.
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Old 02-29-2020, 11:12 AM   #5
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2015 30' International
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If you are concerned, just add a little bleach to sanitize your water -
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Old 02-29-2020, 11:34 AM   #6

2003 25' Classic
Zanadude Nebula , Milky Way
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We use a two stage filter for the water going into the tank.

We drink that water...rarely, but it tastes fine when we do. We use bottled for the important

We are water fugals', Navy showers and don't waste it waiting for it to get hot, run it into a container 'til warm and use that to rinse stuff.

When I have gotten funky smells/taste from the tank water a bottle of Listerine Mint Antiseptic in a full tank will usually care of it...

We have done 3wks of boondocking on 1 tank.
POI...our '03 Classic has a 54gal FW tank.
Good luck with the newer AS's.


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Instead of going to ’Starbucks…I make my own Coffee at home, yell out my name rong, then light a five dollar bill on fire.
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Old 02-29-2020, 02:35 PM   #7
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Oswego , Illinois
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We drink out of the tank. If it's been in a week or so, I drain what's left and refill. The exact timing depends on water hookup and anticipated next travel.

"If the women don't find you handsome, they should at least find you handy." - Red Green
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Old 02-29-2020, 02:49 PM   #8
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2017 26' Flying Cloud
Tampa , Florida
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I've never added water to the tank.....2 1/2 years!
But I usually camp in parks with water hookups.
If I don't have a water hookup, I only use the water for dishes, toilet flush and a quick shower.
I carry a case of bottled water for drinking.

W.C. Fields -- "I used to drink water until I discovered the terrible things fish did in it!"
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