This monitor came up in my feed. I am not in the market for one, but a quick search seems to have positive reviews and a good price point. Does anyone have experience with one of these?
Kactoily Wireless 6-in-1 Water Monitor for pH, Temp, Salt, TDS, SG, and EC.
Reef tank/fish tank/aquarium/pond water tester&monitor. Real-time monitoring of PH, Temperature, Sanility, EC, TDS, and SG, with a 1.6 inch color LCD display. Free shipping. Easy return and refund. Tax free. One-year warranty.
kactoily.com