This post has been updated for 2011. I recently wrote about Filtering Your Drinking Water Very Efficiently, but let us turn now to your shower water. When we shower, we absorb the substances dissolved in water through our skin quite readily. For example, 60% of the chlorine absorbed daily comes from showering in chlorinated water. [...]
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Recently, municipalities around the world have begun to use chloramine (a mixture of chlorine and ammonia) to disinfect water. This is done to reduce free chlorine’s ability to combine with organic matter in the water thereby producing potentially harmful trihalomethanes, or THMs. Because chloramine has less disinfecting ability than free chlorine, a higher concentration of [...]
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