Is this heater big enough?

[TJT]

Originally Posted by Leah

Hey TJT,
If I might make a suggestion my daughter is into discus wow they are pretty but back to the point it might be safer to run to heaters on the tank just in case the unexpected
happens.

Thanks, is a heater something that can commenly become faulty?

I always get a weird feeling reaching into 90 galons of water with something thats plugged into the wall submersed in the water