pinetree said:
What's the story with Nalgene bottles? I just carry bottled water. What am I missing?
They are tough and reuseable storage containers for wet and dry goods. The HDPE (high-density polyethylene) bottle have been around for years, the PC (polycarbonate, or hard clear or colored plastic) have been around for a while, but not as long as the whitish HDPE bottles.
Nalgene bottles are polycarbonate -- more durable and safer over the long term(soft plastic is said to release toxins when they are heated/washed repeatedly). As long as you're not reusing the PE water bottle too many times, it really doesn't matter.
Actually, I read the polycarbonate bottles (also referred to as Lexan, or #7) are the ones that release the toxins when heated. And that applies to when the bottle is actually heated or hot. My understanding is once the bottle cools to ambient temp, the yummy toxins are safely locked back into the PC. There aren't any toxin issues with the HDPE bottles, to my knowledge.
I have both types and use both types on a daily basis. Before learning about the toxin release issue, I would brew and steep tea in the bottles each day. Now I brew and steep the tea in a metal or glass container and tranfer it to the bottles after it has cooled to ambient air temperature, or has cooled in overnight in the fridge.
Each day I put my bottles in the freezer long enough for the tea to partially freeze. This way I can enjoy iced tea throughout the day. I have been doing this routine for almost 1.5 years now. In that time, I have trashed 4 PC bottles, 3 of which were Nalgene brand. All of the HDPE bottles have held up perfectly fine. Mind you, for at least half of that time, the bottles were going from containing boiling liquid to freezing partially solid in a matter of hours. Perhaps the temp extremes stressed the harder, more brittle PC material. Since I have changed the routine to exposing the bottle to only freezing temps, I have found the PC bottles to be lasting longer. However, I noticed yesterday that I have a few cracks in my now oldest PC bottle in my rotation. The cracks are visible in the bottle, but usually exist for quite a while before allowing a complete failure of the bottle.
I currently have 6 bottles in my rotation; 3 PC and 3 HDPE. At one time, I had all PC bottles. As the PC bottles fail, I am replacing them with the HDPE models. I also only use the Nalgene brand, and believe they have the best product in both PC and HDPE bottles. Beware of knock-off PC bottles. Yes, they look the same, but tend to have thinner walls and are nowhere as durable as the Nalgene brand. I will state that I know nothing about the Camelbak brand bottles.
Let it be known that I do not intend to come across as a super-duper water bottle expert-ninja-guru. I use the bottles every day, and sometimes I read things about the materials used in the bottles, and that's it. I am not poo-pooing the use of PC bottles, as i still use them, but just differently now than I have before, and only as a precaution (holy run-on sentence, Batman!). According to the American Plastics Council (or whatever it is), we may not need to take precautions with the PC bottles, and all the worry may just be the result of bad press. Time will tell. We've all got to die of something, right?