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I love FBC and have no objections whatsoever to eating out of the freezer bag. On the other hand, I have an abiding hatred of washing dishes (due to many years of washing dishes for a family of 6 and not being able to afford a dishwasher).
While freezer bags are not supposed to be for cooking, remember that with FBC you are _not_ cooking the food but simply reconstituting it. By the time you get the pot off the stove and are ready to pour the hot water into the freezer bag, the water is already well below the boiling point (especially if you're at altitudes where the boiling point is under 200*F and you are using a thin Ti pot which cools really fast). Since part of the process of freezing veggies is blanching them just before you put them in the freezer bag, freezer bags are already designed to be stable at temps under 200*. The chances of their leaching anything into the hot water are, therefore, basically non-existent.
I use freezer bags only for dinner (one bag per dinner because my meals are all one-dish). My breakfast is cold cereal and is in a sandwich bag (much thinner plastic). My snacks/lunch (indistinguishable) are also in a sandwich bag, and most of those are re-used for several trips. Due to a couple of medical conditions, I generate enough garbage to need most of a quart freezer bag for that purpose each day, so each freezer bag does get used twice.
To me, the convenience of not washing dishes and of having pre-measured portions is well worth the use of a few more freezer bags. I rarely use plastic at home and try to walk for my errands as much as possible to make up for the few ounces of extra plastic I use when backpacking.
I don't use soap because, biodegradable or not, if it gets in the water (which it will during next spring's snow melt!) even a minute amount can kill aquatic life. That's another reason for not washing dishes. I don't use toothpaste, either--baking soda is lighter, dentist-recommended, leaves no residue on the ground and basically ends up as salt. I bathe by cleaning "strategic" areas with a damp cloth every night--I don't like the idea of jumping into lakes (again, any sunscreen and bug repellent residue on your skin are harmful to aquatic life, especially amphibians). Plus I am too "chicken" to jump into water that's close to freezing!
YMMV!
Edited by hikinggranny on 01/06/2011 14:35:01 MST.
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