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01-27-2022, 01:01 PM
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#1
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Senior Member
Freightliner Owners Club
Join Date: Jul 2001
Posts: 1,550
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? For Science Guys
On two separate occasions a one gallon water bottle that I stored in the basement seems to have leaked. When I remove the bottle it no longer leaks.
What could cause this? I should add that the bottle is not the cheap bottle you get at the grocery store, but a sturdy bottle purchased at a plumbing supply store. Also, the leak is crap confined to the plastic container in which it sits.
Nick
2014 Allegro Red
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01-27-2022, 01:21 PM
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#2
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Registered User
Jayco Owners Club
Join Date: May 2016
Posts: 879
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Water has its maximum density at close to 39f. So if you are filling the bottle full and the water temp is colder than that (39f) and warms up the water will expand until it reaches the 39f and then start contracting again, same is true for the opposite if the temp is warmer and then it gets closer to 39f in the basement.
The above is in regards to the density of water, however if you have an air gap in the bottle with the water (as you should have) then the expansion and contraction of the water itself shouldn't cause enough pressure change for the water bottle to leak. The air pressure for the air gap in the bottle could also change with a change in altitude (more pressure as you gain altitude).
I would suggest leaving a larger air gap in the bottle when filling them and see if that takes care of the issue. ~CA
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01-27-2022, 01:56 PM
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#3
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Senior Member
Freightliner Owners Club
Join Date: Jul 2001
Posts: 1,550
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Great info, thanks. I knew there was a scientific answer to my question! I’ll follow your advice.
Nick
2014 Allegro Red
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01-27-2022, 02:18 PM
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#4
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Community Administrator
Tiffin Owners Club
Join Date: Sep 2013
Location: DFW, Texas
Posts: 18,315
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Also, If you change altitudes the differences in air pressure can cause a bottle to leak.
__________________
 2017 Phaeton 40IH XSH Maroon Coral - Power Glide Chassis with IFS
Previous '15 Tiffin Allegro RED 38QRA and '06 Itasca Sunrise 35A
'16 Jeep JKU Wrangler Sahara or '08 Honda Goldwing
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01-27-2022, 02:29 PM
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#5
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Registered User
Join Date: Feb 2020
Posts: 519
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I have a water bottle that lives in a cup holder in the truck. This time of year it will sweat and accumulate quite a bit of water in the cup holder.
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01-28-2022, 10:55 AM
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#6
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Senior Member
Fleetwood Owners Club Workhorse Chassis Owner
Join Date: Feb 2000
Location: San Jose, Ca, USA
Posts: 2,466
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I've seen instances where an unopened bottle of water would "lose" water over a period of years, and the bottle would actually start to contract. The water was apparently "evaporating" through the thin plastic bottle and since it was sealed air could not get in to replace the water...
__________________
Alan Hepburn - San Jose, Ca
2007 Bounder 35E being pushed by a 2020 Jeep Gladiator Sport S or a 2022 Jeep Wrangler Unlimited (JLU) Sport S
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01-28-2022, 07:14 PM
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#7
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Senior Member
Join Date: Mar 2019
Posts: 398
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Are you seeing water missing or just water in the outer container? Maybe just condensation on the bottle accumulating in the outer container. The water will remain cold as the temperature warms causing condensation.
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01-28-2022, 07:24 PM
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#8
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Senior Member
Join Date: Sep 2013
Location: Pacific Northwest
Posts: 1,933
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Science says there's too little data to draw a conclusion. 
__________________
Tom and Pris M. along with Buddy the 17 year old Siamese cat
1998 Safari Serengeti 3706, 300HP Cat 3126 Allison 3060, 900 watts of Solar.
Dragging four telescopes around the US in search of dark skies.
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01-28-2022, 07:36 PM
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#9
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Senior Member
Join Date: Sep 2007
Location: Grasonville, MD -- Golden, CO
Posts: 6,222
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Quote:
Originally Posted by traveler of california
On two separate occasions a one gallon water bottle that I stored in the basement seems to have leaked. When I remove the bottle it no longer leaks.
What could cause this? I should add that the bottle is not the cheap bottle you get at the grocery store, but a sturdy bottle purchased at a plumbing supply store. Also, the leak is crap confined to the plastic container in which it sits.
Nick
2014 Allegro Red
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Without reading all best Guess is Elevation Change - sort of like the chip bag when you go over a high pass in Colorado.
Or
Possibly temperature changes.
JMHO,
__________________
Busskipper
Location - Grasonville, Maryland - and/or - Superior, Colorado
2005 Travel Supreme 42DS04 - GX470 Toad
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