Really a point for discussion, I've had a rope leak detector since I first put my Hydros 4 in service. It's been sitting there monitoring for leaks ever since, occasionally alarming due to mistakes when I'm doing a water change. However last week I was on the golf course, phone turned off, and when I'm done I check the phone and Leak Detected alarm is in! I race home preparing for the worst, open the door and nothing, tank looks perfectly normal. Thank God lol. Anyway I check all around the tank and there is no evidence of water. I didn't do anything until in the middle of the night the controller alarms again. I go into the living room and again no water. I then lowered the sensitivity of the detector and the alarm immediately cleared. My question is, is there a history of the detectors becoming more sensitive with time or is it failing. Since I made the adjustment I have had no issues.