Aqua-Rex has an updated version of its highly successful physical water conditioner, the alternative to a conventional water softener, which is unique in having independent third-party performance verification from IAPMO R & T Labs using its IGC 335 test protocol, Aqua-Rex states. The new version uses a USB-compatible power supply. www.aqua-rex.com
Aqua-Rex water conditioner
![Aqua-Rex water conditioner](http://www.pmmag.com/ext/resources/Issues/2021/06-June/Products/PM0621_Products_AquaRex.jpg?1623102748)