Originally Posted by KiltLifter
Look on the bottom of the bottle you are considering. The Better Bottles are PET. Water bottles from one company around here are PET and that's what I use. I looked at one (with a molded in handle) at Home Depot and it was NOT PET, so be sure to look.
PET IS oxygen permeable, but the Better Bottle and other PET water bottles are thick enough that the permeation is negligible for the amount of time the beer is in it.
For a mead or barley wine that is in the carboy for months, I use glass, just in case.
+1 on this info...Look on the bottom.
If it has a <7> that is polycarbonate NOT PET or PETE.
Besides what kiltlifter said, Polycarbonate uses BPA (bisphenol-A) in it's production. BPA may mimic the natural female sex hormone estradiol. In animal research it has been linked to female reproductive disorders, breast and prostate cancer, and attention and developmental problems.
Basically polycarbonate bottles have the potentiality to leach stuff into your water or beer...
I just found a home water purification company online that switched to shipping better bottles with their filter systems, because of the difficulty of finding ones that weren't polycarbonate.
I'm betting in the near future more and more water distributors will be going the same route because of all the press about estradiol in water bottles, and we'll be able to find more and more Pet water jugs at the big box stores then there are now...
And since it looks like the Better Bottle people are one of the few producers of the product, more companies will be jumping online to fill the need. Which of course means the prices will go down.
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