What's best heater brand and wattage for 125?

[zacharytrimble]

???

[zacharytrimble]

It will be placed in a half full 75 g sump

[JRaquatics]

best to get multiple heaters on a controller.
Great article to read:
http://www.beananimal.com/articles/aquarium-heaters-what-you-need-to-know!.aspx

http://reefcentral.com/forums/showthread.php?s=&threadid=1394660

[Otto2]

I have a 250w ebo jager on my 120 w/ sump and it keeps it at 79 deg perfectly with a ranco, but its a great idea to use two heaters in case something happens to one of them.