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glycerin in water to prevent freezing?

post #1 of 4
Thread Starter 

I just read in a chicken raising book that I can add glycerin to your chickens' drinking water to keep it from freezing. Anyone have any experience or thoughts on this? Would it be a bonus and soften any potential crop issues? Or just a bad idea?

post #2 of 4
I read that you can add up to 6% glycerin overall to their water without ill effect http://ps.fass.org/content/88/3/615.full I also read that you have to add glycerin 10% to water to reduce freezing temperature by 1.5 degrees C.

I don't know how much glycerin costs, but adding 10% to a gallon of water would be 12.8 ounces. Per a CVS pharmacy advertisement, 6 ounces of glycerin costs $5.49.

That might become expensive after a while.

Chris
post #3 of 4
Thread Starter 

That does sound pricey. I was hoping it was more like a tablespoon.
 

post #4 of 4

I have read that about 1 TBSP per gallon is enough to keep water from freezing down to 0 degree.  More after that.  Remember, it must be "food grade" glycerin.   then there is the 1 TBSP apple cider vinegar to a gallon of water for a supplement.  Have tried both and so far, so good.  Kate

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BackYard Chickens › BYC Forum › Raising BackYard Chickens › Feeding & Watering Your Flock › glycerin in water to prevent freezing?