Like swimming pools, hot tubs need regular monitoring to ensure their water stays clean and clear. An average person might take a water quality reading once or twice a week using test strips, but such ...

When we reviewed the original Crystal Water Monitor, it earned high marks for its ease of use and accurate readings. The 2025 Crystal Water Monitor reviewed here is just as easy to use and comes with ...

Like swimming pools, hot tubs need regular monitoring to ensure their water stays clean and clear. An average person might take a water quality reading once or twice a week using test strips, but such ...