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Old 12-17-2014, 12:17 AM   #1
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Is 72 fl oz antifreeze fluid enough for a 16'?

I bought 2 bottles of 36 fl oz/each at link below. Or do I need to get more?
http://www.amazon.com/gp/product/B00...w_bottom_links


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Old 12-17-2014, 04:43 AM   #2
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We use two gallons of pink antifreeze to winterize our 16' Bambi but I use compressed air to blow out the water on the fresh water side.
As a suggestion, I would buy a case the first time. You can then figure out exactly how much is needed and not run out. You could easily use up six gallons if you are not "thrifty"...
Bruce

P.s. If you have a marine store (I.e. West Marine, you can find gallon bottles of pre-mixed antifreeze on sale this time of year. I paid $3 a gallon last week...)
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Old 12-17-2014, 06:23 AM   #3
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I have used 2 1/2 gallons on my 16 ft. Photo attached of pump I use. Click image for larger version

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Old 12-17-2014, 06:42 AM   #4
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If you're not filling the lines, I use one gallon, split between the traps and tanks (half a gallon down the toilet, the other half split amongst all of the sink/shower drains). If you are filling the lines with antifreeze, you'll need more as described above. Don't forget to bypass the water heater or you'll need a LOT more.
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Old 12-17-2014, 07:27 AM   #5
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I use 4 gallons in my 30'er. Roughly 2 gallons in lines and traps, and 1 gallon in each gray and black tank to keep seals wet.
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Old 12-17-2014, 07:34 AM   #6
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I always use 1 1/2 - 1 3/4 gallons of anti-freeze. I drain the water heater and fresh water holding tank and open the low point drains first. If I open some faucets and leave the low point drains open while traveling, nearly all of the water will be out of the lines by the time I get home. Second, I blow out the lines with air (don't forget the black tank flush). I use an air hose fitting and a bicycle pump for this. I could bring it to work and use a "for real" air compressor, but the bicycle pump is less trouble than hitching up and dragging it across town if I'm not already hitched up. Then I have a "T" fitting with a valve and a short piece of tubing just before the pump inlet. I put the tubing in the jug of antifreeze, turn on the pump, and run the faucets one by one (kitchen hot, kitchen cold, shower hot, shower cold, bathroom sink hot, bathroom sink cold, toilet, outside "foot wash", low point drain hot, low point drain cold) until they run pink. This also gets pink into my p-traps and black and gray tanks.
There it is. Michael Hony's quick guide to winterizing- twice because we always take it out again-
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Old 12-17-2014, 09:09 AM   #7
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That's a lot of money for 2 gallons of RV antifreeze that should only cost $3 in a store.
Really the antifreeze is only used to push the water out of the lines. There is no reason to leave it in the lines. Drain or blow as much as you can out after use and you won't have to worry about it in the spring, flavoring the pipes. I have also had the antifreeze, freeze solid and damage the lines. Try putting some in your house freezer and see if it freezes.
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Old 12-17-2014, 09:32 AM   #8
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Quote:
Originally Posted by Shacksman View Post
That's a lot of money for 2 gallons of RV antifreeze that should only cost $3 in a store.
Really the antifreeze is only used to push the water out of the lines. There is no reason to leave it in the lines. Drain or blow as much as you can out after use and you won't have to worry about it in the spring, flavoring the pipes. I have also had the antifreeze, freeze solid and damage the lines. Try putting some in your house freezer and see if it freezes.
I think its a little misleading when they say the antifreeze provides "Burst Protection to -50F", when the freeze point is actually around +12F.
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Old 12-17-2014, 09:38 AM   #9
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As others mentioned, the antifreeze that you reference is far too expensive. Buy it at Walmart or Lowes for 3-4 dollars a gallon pre-diluted and ready to use.

Two gallons should allow you to fill your water lines and traps if you use it 'sparingly'.
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Old 12-17-2014, 10:27 AM   #10
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We usually get some at Walmart in the spring on clearance. It is only $4 even at Ace hardware.
Less than 2 gallons fills the water pipes and traps- winterize for <$8.
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Old 12-17-2014, 10:46 AM   #11
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I get my RV antifreeze at our local supermarket (Meijers) They had a lot of it on sale on an end cap during the prime RV winterizing season in October. They carry it all year round near the other boating/camping stuff. I'm sure Wallmart also carries this stuff as would any boating/marine place. Not so sure about Lowes but if others have seen it there, so be it. Since you'll be using a lot of it over the years, I'd get a good supply to start and then you can see how much you use for your particular setup and style of winterizing.
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