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Old 10-23-2013, 12:36 PM   #1
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Question A question about safe anti-freeze.

Can you buy a anti-freeze that is not toxic? When I flush my system I'm worried about drinking anti-freeze that I couldn't remove completely.

Thanks for the information.
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Old 10-23-2013, 12:40 PM   #2
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Use the Camco pink stuff...labeled for drinking water usage. WalMart, Camping World...other places that sell RV stuff.
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Old 10-23-2013, 12:47 PM   #3
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The pink RV anti-freeze is propylene glycol, which is also found in many processed foods. You probably eat or drink it without even knowing it - see HERE. Some sources do say, however, that propylene glycol is NOT safe for cats.

Do NOT confuse this with ethylene glycol, found in the "green" automotive anti-freeze. Ethylene glycol is EXTREMELY TOXIC.

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Old 10-23-2013, 03:30 PM   #4
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The anti-freeze will be maked for Boat/RV. Good to 50 below and is pink/redish in color and is labled 'non-toxic'.

If you flush the system with clean water one time in the spring I would say you are then good to go.
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Old 10-23-2013, 04:15 PM   #5
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Your question brings up another question. What have you been using in the past?
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Old 10-23-2013, 05:56 PM   #6
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First, you need to know what "TOXIC" means

It means a little bit will cool you (Kill you)

Poisonous means a little bit might make you sick, but it takes much more to kill you.

SAFE, to drink: = Water, (A whole lot, properly consumed, won't hurt you.. NOTE the "properly consumed" qualifier, A spoon full down the wrong pipe and it's Goodby Charlie)

The pink stuff is NON-TOXIC

Does not mean you should drink it.

There is however a SAFE alternative at least for the fresh water lines.

AIR.. Yes, AIR, you open every valve including the low point drains, Drain the supply tank, Open the pump inlet strainer (put a towel under it first) and run the pump to pump air into the line,, Then hook up to the city water and blow Gabriel Blow, about 50 PSI for like a minute or two.

Then wait,

Then blow some more

Like 10 times till you no longer hear, see or sense water in the lines.

Use the pink in drain traps and toilets.
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Old 10-23-2013, 06:05 PM   #7
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Quote:
Originally Posted by wa8yxm View Post
First, you need to know what "TOXIC" means

It means a little bit will cool you (Kill you)

Poisonous means a little bit might make you sick, but it takes much more to kill you.

SAFE, to drink: = Water, (A whole lot, properly consumed, won't hurt you.. NOTE the "properly consumed" qualifier, A spoon full down the wrong pipe and it's Goodby Charlie)

The pink stuff is NON-TOXIC

Does not mean you should drink it.

There is however a SAFE alternative at least for the fresh water lines.

AIR.. Yes, AIR, you open every valve including the low point drains, Drain the supply tank, Open the pump inlet strainer (put a towel under it first) and run the pump to pump air into the line,, Then hook up to the city water and blow Gabriel Blow, about 50 PSI for like a minute or two.

Then wait,

Then blow some more

Like 10 times till you no longer hear, see or sense water in the lines.

Use the pink in drain traps and toilets.
I have been using the "air" method since 1994 and have never had a problem. Yep, pink stuff in the drains only.
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Old 10-24-2013, 10:14 AM   #8
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One other point..If you plan to leave the AF in your system for very long, make sure you pay a little more and get the AF that has no alcohol in it. That will dry out you gaskets and cause failures.
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Old 10-24-2013, 10:29 AM   #9
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http://www.emedco.info/rtk/common/wcd00030/wcd030e0.htm
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Old 10-24-2013, 10:34 AM   #10
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Your link doesn't work, but if it links to propylene glycol COOLANT (as it appears to do), that is a different formulation than the RV anti-freeze, which is specifically formulated to be non-toxic. Coolant has a number of other additives for water pump lubrication, corrosion protection, etc.

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Old 10-25-2013, 06:30 AM   #11
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Originally Posted by mahon1993 View Post
Your question brings up another question. What have you been using in the past?
Bought it in the past from Wal-mart and flushed it out in the spring over and over with water till I felt safe to drink it.
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Old 10-25-2013, 06:52 AM   #12
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Originally Posted by Wildbob52 View Post

Bought it in the past from Wal-mart and flushed it out in the spring over and over with water till I felt safe to drink it.
The propylene Glycol is approx 25 to 30%. As long as you flush you are OK. If you drink that concentration it effects the nervous system. It won't kill you. That is not the reason I don't use it. Although all those chems do concern me, especially after I trained for my pesticide license. I just blow out my lines because it is much faster to winterize and to de-winterize. Plus that pink stuff does freeze. If I recall it gels at 9 degrees and gets like pudding. If I decide to flush at 20 degrees it is hard to get it all out of the water lines.
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Old 10-26-2013, 12:15 PM   #13
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Quote:
Originally Posted by wyorancher View Post
That is exactly what Wildbob52 should use. If/ when I winterize the RV it takes about 2 1/2 - 3 G to fill plumbing, "P" traps, clothes washer, and ice maker line.

Wildbob52,
This is the proper procedure for winterizing an RV.
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Old 10-26-2013, 12:21 PM   #14
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The original link referred to in my post #10 started off as www.menards with the central portion of the link being abbreviated by ..... and the end being Coolant.

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