heat up my 125

[cepaw]

Hi all,
what would be a good heater(s)
for a 125 gal tank ?
how many watts ?
what brand do you like ?:mad2:

 

[old salty]

I use 2-300 watt heaters. This is in case one goes out, the other should be able to maintain the temp for an extended period. I think they are Jaeger or something like that.