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Old 02-16-2015, 06:25 PM   #1
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Location: Newport News Va
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Pink antifreeze "FROZEN"

Checked my Windjammer today before the snow hit. I found that the pink rv antifreeze that I put in the toilet was frozen into a block of ice. Never seen that happen before , sure hope there is no other damage. I put more in the toilet as well as the P traps. That antifreeze is supposed to be good to well below zero. It has been cold here in eastern Va, in the 20's for several days, but that stuff should not have frozen. Now I have my fingers crossed there is no other damage.

Chuck in frigid Va 17 degrees here now. ( we are not used to this )

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Old 02-16-2015, 06:28 PM   #2
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I hope nothing happens to your camper. I'll have to check mine after this 5-8" hits tomorrow. It's been in the 20's and below in Maryland too.


2015 Sierra 32QBBS-23 nights camped since the end of June 2014
2015-sorry to say only 11 nights so far, more to come though
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Old 02-16-2015, 06:35 PM   #3
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The Pink I use says (-40f) yours is Cheap or Diluted! Youroo!!
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Old 02-16-2015, 06:35 PM   #4
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RV antifreeze has a burst rating. The good stuff is -50F below zero. There is other stuff out there that may be less money however, burst rating is around 20-25 below. Burst rating means the antifreeze wont expand till the burst point is reached. It will freeze long before it expands however.

Read this for more details..............
The burst point of an antifreeze is the temperature at which a sealed copper pipe filled with the undiluted product will burst. Burst points are a standard created by the plumbing industry in the 1930s to indicate the relative strength of antifreeze. They have since become synonymous with the name of antifreeze products used for winter storage. Burst points help consumers choose the proper product based on the lowest expected temperatures for their specific area.

A freeze point is the temperature at which ice crystals begin to form in the undiluted product. Freeze points are the measurements given when using refractometers and hydrometers. Note: most refractometers provide readings on both a PG and an EG scale, so it is important to use the PG reading when testing this product. Hydrometers are either made to provide PG or EG readings. It is critical to test this product with a hydrometer specifically designed to provide PG readings. Most hydrometers are purchased at auto supply stores and are designed for use with EG, so they cannot be used to test PG antifreeze. Keep in mind that it is normal to see readings that may vary by several degrees from the product's stated freeze point based on ambient temperature or the age of the product. For example, the freeze point of the -50F product is +12F, but it is not unusual to see readings in a range of +12F to +16F. Shake PG antifreeze well before testing as the heavier PG component may have settled toward the bottom.

Because the stored engine or water system is not in use, preventing ice crystals is not necessary, and to do so would require the use of a more expensive product with a higher PG content. As an example, the -50F antifreeze has a freeze point of +12F while the -100F antifreeze has a freeze point of -60F.

However, as the temperature drops the solution begins to solidify and expand, it puts pressure on pipes that can lead to damage. This is why it is important to select an antifreeze that will provide burst protection appropriate for a specific region's lowest anticipated temperatures. Products providing lower burst point temperatures contain higher concentrations of PG and are thus more expensive, but they will provide the protection needed in the event of extreme weather.
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Old 02-16-2015, 06:37 PM   #5
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RV anti freeze will freeze but not to the point of expanding and bursting pipes. Mine went through -13 last winter with no ill effects. -12 yesterday and -10 today.


Whoops...SammySaber beat me to it!
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Old 02-16-2015, 06:38 PM   #6
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RV anti freeze will freeze but it does not expand when frozen.
Terry and Janet
2008 3001W Windjammer
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Old 02-16-2015, 06:41 PM   #7
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Supposed to reach the lows teens tonight in "Hot" Springs The area is now covered in ice.
2014 Rockwood 2618W Windjammer
2014 F150 XLT S-Crew 4x4, 3.5L EB, 6.5' Box, Maxtow, 36g tank
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Old 02-16-2015, 06:55 PM   #8
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The antifreeze was not diluted, so hopefully there is no damage. I just have never seen it freeze. I use the same in my boat and no problems in the past. I am fairly new to camping, but the plumbing an winterizing is about the same. I guess we will see during the spring thaw.
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Old 02-16-2015, 07:01 PM   #9
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Mine will freeze and look slushy in toilet bowl and it gets down to -25 to -30 all the time. Never had a problem.
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Old 02-16-2015, 07:02 PM   #10
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I'm in Scarsdale, NY we used -50 Anti-freeze, with the below temps we have been having ours froze. We moved my RV up to the house so I can load up and leave for Florida on Thursday, opened my water door and called my husband to look, the water filter container froze, I did not go and check the toilet, etc. Last winter we had no problems. I was going to leave the antifreeze in until I got closer to NC or SC and then I was going to flush it all out. Any suggestions as I'm driving by myself and 3 dogs

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