heater issue

I got home and noticed the tank glass (40 g breeder) was WARM TO THE TOUCH and checked the thermometer which read nearly 100 degrees f!!! Holy cow I was freaking out. I lowered the temp by opening the lid (when I opened it the water was literally steaming!), opening windows and doors and turning...

I have a finnex heaters with a controller. The temp prob has a hard white thing that builds up at the base of the wire. The titanium rod used for stray voltage is brown and has some blueish green build up on it. The titanium rod was placed just in case not because I had stray voltage. My...

Long story short. Yesterday I was cleaning my skimmer, and accidentally spilled water over the back of my AIO. And it somehow found its way perfectly onto my power cord where the heater is plugged into the extension power cord. I heard fizzling, and small amounts of sparks, and smoke. So I...