By far, the loudest component to my aquarium set up are my 2 mechanical timers. The constant "buzz" "buzz" "buzz" sound is driving me insane. My equipment requires a grounded timer, so I've been using the "Intermatic TN311 15 Amp Heavy Duty Grounded Timer". I don't recommend.
What digital timers do you use for your grounded equipment?
What digital timers do you use for your grounded equipment?