I didn't put this in ASAP because I am at work and won't urgently be able to do anything. So I have 2 heaters in my sump one is a ViaAqua titanium and the other is ?Mystery? brand heater. As cold as it has been i have had both heaters running in my sump and i think today one must have bit the dust. I went and checked on things when i woke up and my tank was at 73. The ViaAqua was warm when i touched it but the other was not any warmer than the water. I was unable to get a replacement today and was only able to supplement with a 50w that was in my, thankfully empty, QT tank. My question, is there anything else I can do until i get a replacement for the second heater? I don't think the ViaAqua is doing a bad job and the probe it has is in the drain portion of my sump and the heater in the return section and the water has to travel a good 40ft both ways. I am hoping that some of the lower temp is caused by the drain trip but do you think the ViaAqua should be able to keep up? I am no pro with heaters and honestly know next to nothing about them. Any advice is greatly appreciated!