I’ve been working with computers for ages, starting with a multi-year stint in purchasing for a major IBM reseller in New York City before eventually landing at PCMag (back when it was still in print ...

This svelte, floating device offers 3 years’ worth of pool measurements. But understanding its measurements might require some effort on your part. Keeping tabs on pool chemistry is a constant hassle, ...

Sutro’s pool chemistry monitor is wildly expensive and has a few too many limitations for us to recommend it over less-expensive solutions. Owning a pool is like owning any other high-dollar product: ...

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 ...