cmn3
Well-known member
So I have this swc hang on that I am breaking in on my little 12g nano have a biger tank in the works bit here is the deal the pump is realy hot and not sure but seems to be raising temp in the tank????? I put a temp gun to it and it was from 130 to 150 is this normal for an external pump temp in tank went from 79 to 82 but today the house was 75 to 78 there is a heater in the tank and avrage temp has always been 77 to 79