American Marine Wireless Thermometer and Ph Monitors

[Madreefer]

Has anyone had luck with these things. J&L replaced the sensor 2 months ago due to reading about 10 degrees too high. Now this morning my tank is sitting at 113C. Time for a fish fry I guess. The other issue I'm having is with my Ph monitor. The last 2 probes have been really hard to calibrate and get way out of whack after a few weeks. But on my controllor all is well and it is the A M Pinpoint as well. I don't need the monitor but I got it 'cause it was one less thing to test. Any problems with Milwaukee?