This is the Crystal Water Monitor: an app connected water monitor for your hot tub and pool. It tests the water 144 times a day and gives you pH, ORP, and temperature readings. It is ideal for chlorine and bromine water types. The companion app alerts you when your water needs attention.
More gadgets like this: here
The Crystal Water Monitor offers dosing recommendations based on your preferred chemicals. You can mount this to any surface, pole, or pipe.
Disclaimer: *Our articles may contain affiliate links. Please read our disclaimer on how we fund this site. As an Amazon Associate, we earn from qualifying purchases.