heater fail

This one, an Aqua One about a year or two old, hadn't quite failed but definitely had water in it. The last 3-4 were full of water and one of the wires in the heating element corroded and broke. So, I've replaced this one with an Eheim thermocontrol E300 and thought I'd take it apart. And of...

So I’m currently setting up a quarantine tank for a new fish and want to buy a new heater. My heater in the main display is aging (2 years old) and I want to switch it out anyway. Which heater brands do you use? I’ve heard good reviews with Jager and fluval (tho I feel like 50 for a heater is...

So my hydor heater in my 55 Was set to 79 degrees F° and thermometers whers reading 91.3 F° and i though my thermometer was acting up but no every thermometer i put in the water it read 90 degrees F° so im confused so i turn the heater down 71 to see if it turned off and i did but no guarantee...