Review on 💧 HM Digital Triple Monitor T Fittings: Monitor Your Water Quality with Ease by Satish Greener

Seems to be a good little gauge and comes more or less accurately calibrated on arrival. Logo or permanent display of Err. I have another one on the way so I'll see if it's just a fluke. A few things to keep in mind. Because it's designed to measure the TDS of water, it's anything but waterproof. Unfortunately, the length of the probe is quite short. So if you're going to use them near a water point, you'll need to seal them against light splashes and moisture yourself. The top side connector for probes is a large entry point as well as a hole in the back.