Keep your swim sessions nice and clean with the pHin Smart Pool Water Quality Monitor. Compatible with pools and hot tubs, this intelligent device keeps an eye on your pool hygiene. The pHin Monitor works 24/7 to keep track of the water chemistry as well as the temperature. If anything is out of whack, you get an instant alert sent right to your smartphone. In addition, it works with chlorine, salt, and bromine pools to suit your needs. Plus, it works with any chemical brand. Simply connect it via Wi-Fi and pop it in your pool. With lab-grade sensors and no moving parts, it’s totally safe for your pool and family. Plus, there are no batteries that you need to replace or recharge.