Water purifiers for home use and post SHTF purposes have always felt, well, a little gimmicky. Trying them out can also be a rather costly endeavor.

Luckily, someone put in the time and money to figure out which one actually work. The great part is he’s a prepper. So unlike a typical water purifier review, LDSPrepper looked at and tested water purifiers from a survivalist’s point of view.