My workplace has a reverse osmosis water filter that produces a beverage tasting nothing short of pure evil. Why might this be? [more inside]
posted by springbound on Dec 16, 2008 - 10 answers

Is this fancy lab water filtration system also suitable for home filtration? [more inside]
posted by cmoj on Jul 31, 2008 - 13 answers

Are there water filtration systems with no plastic anywhere in the water's path?
posted by Skorgu on Apr 20, 2008 - 5 answers

Should I filter my well water? [more inside]
posted by solipsophistocracy on Aug 7, 2007 - 8 answers

How do you like your faucet-mounted water filter? [more inside]
posted by Songdog on Aug 24, 2006 - 27 answers

Would a consumer-grade water filter (e.g. a Brita pitcher) be sufficient to make the floodwater in New Orleans safe to drink?
posted by jjg on Sep 3, 2005 - 15 answers

Is it safe for my family to drink water from a water softener? [more inside]
posted by askmatrix on Jul 15, 2005 - 13 answers