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01-31-2019, 11:18 AM
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#1
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Junior Member
Join Date: Oct 2018
Location: Illinois
Posts: 17
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Frozen Solid RV Antifreeze Concern
I'm near Chicago where we are going through a cold snap -21 air temp yesterday, I went out to the coach this morning and was surprised to see the full unopened jug of -50 RV antifreeze that I left in the coach frozen solid! I thought it stayed jelly-like in cold temps? I sure hope that my fresh water lines are not damaged. I winterized it myself with this product in past years, but we have not been this super cold in awhile. I don't think we went over -50 even with the wind chill.
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01-31-2019, 11:25 AM
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#2
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Senior Member
Join Date: Feb 2015
Location: Huntingtown, MD
Posts: 790
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I would take a picture with a thermometer next to jug, then send manufacture a letter if damage is found come springtime.
What's the brand name?
__________________
Earl & Sharon, 2008 Fleetwood Expedition, ISB 6.7
1995 Jeep YJ/2013 Chevy Sonic
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01-31-2019, 11:41 AM
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#3
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Junior Member
Join Date: Oct 2018
Location: Illinois
Posts: 17
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I did a video with a thermometer just in case.
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01-31-2019, 11:43 AM
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#4
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Senior Member
Join Date: Dec 2013
Location: Lake Havasu City, AZ & Plover, WI
Posts: 5,828
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FWIW, the wind chill factor has nothing to do with lowering the temperature to an inanimate objects. Still it looks like that antifreeze is not doing it's job even at -21*.
__________________
2013 43 QGP Allegro Bus ( SOLD )
2013 Avalanche
2000 AEV TJ
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01-31-2019, 11:45 AM
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#5
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Registered User
Join Date: Oct 2016
Posts: 2,078
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That is very scary indeed, will be interesting to hear more about this
Very common brand sold in many large chain stores, same brand that is currently in mine
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01-31-2019, 11:46 AM
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#6
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Senior Member
Join Date: Jul 2014
Posts: 32,672
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Was it rock solid or a little, slushy ?
It doesn't look like it expanded in the jug. That's a good sign.
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01-31-2019, 11:49 AM
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#7
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Senior Member
Winnebago Owners Club Freightliner Owners Club
Join Date: Oct 2009
Location: E WA or S TX
Posts: 3,976
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Notice the bottle, it is not swollen. Propylene glycol does not expand like water.
https://www.fvpparts.com/products/fl...antifreeze-50f
__________________
04 Horizon QD, 12 Ford Flex, Excalibar, Brakemaster, Winter Texan, RVin! since 1974
Norm, Donna & Tinker Kat(RIP) 01 Z3
Life is a Timed Event, you only get One Go Around!
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01-31-2019, 11:52 AM
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#8
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Registered User
Join Date: Oct 2016
Posts: 2,078
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Quote:
Originally Posted by rgvtexan
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Makes anyone in very cold temperatures sure want to have just antifreeze and not mix with water
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01-31-2019, 11:55 AM
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#9
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Senior Member
Join Date: Aug 2001
Location: North America somewhere
Posts: 28,004
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This from Splash RV and marine anti-freeze explains how it acts, and the difference between burst point and freeze point. I had read somewhere it does not expand like water mixtures, This pdf seems to confirm RV antifreeze does not expand when frozen. IMO each pdf contradicts the other.
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2000 Winnebago Ultimate Freedom USQ40JD , ISC 8.3 Cummins 350, Spartan MM Chassis. USA IN 1SG 11B5MX,Infantry retired;Good Sam Life member,FMCA. " My fellow Americans, ask not what your country can do for you, ask what you can do for your country. John F. Kennedy
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01-31-2019, 12:06 PM
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#10
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Senior Member
Winnebago Owners Club Freightliner Owners Club
Join Date: Aug 2005
Location: Nashua, NH
Posts: 2,650
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As stated by others, it's normal for RV water system antifreeze to freeze if the temp is cold enough, but the key factor is that unlike water, it DOES NOT EXPAND when freezing, hence won't damage the water system.
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Chris Beierl
2005 Winnebago Vectra 36RD
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01-31-2019, 12:29 PM
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#11
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Senior Member
Join Date: Mar 2015
Posts: 2,983
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That -75* RV antifreeze at Walmart is just a dollar or two more per gallon and has a better taste.
__________________
'04 Newmar Mountain Aire 4016
400ISL/Freightliner
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01-31-2019, 12:42 PM
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#12
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Senior Member
Join Date: Nov 2009
Posts: 1,365
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Quote:
Originally Posted by FatChance
That -75* RV antifreeze at Walmart is just a dollar or two more per gallon and has a better taste.
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__________________
2021 Trail Runner 211rd 25'
2015 GMC Canyon
Mark & Carole Big Bear, Ca. RVM 54
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01-31-2019, 01:36 PM
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#13
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Senior Member
Join Date: Sep 2016
Posts: 310
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__________________
2016 Phaeton QBH
2016 Jayco Alante 31V
2001 Wrangler
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01-31-2019, 02:32 PM
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#14
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Senior Member
Join Date: Oct 2015
Location: Portage, MI
Posts: 400
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Quote:
Originally Posted by rgvtexan
Notice the bottle, it is not swollen. Propylene glycol does not expand like water.
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ding, ding, ding, ding...we're found the winning answer!!
So...why do they call it antifreeze...antiswell would be better
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Randy & Karin B, Portage, MI
2017 Newmar Ventana LE 4037 & 2021 Chevy Trailblazer
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