water filters

  1. L

    Water treatment is bad for the evironment

    http://www.isws.illinois.edu/pubdoc/c/iswsc-135.pdf < Some water treatment plants cause serious pollution. I know some of them do their job in an eco-friendly way with lilly pads, etc, but my local water treatment plant definitely doesn't. I do my best not to support things like this so I've...