New tank needs new heater

[TheShepherdTrio]

We recently acquired a new to us 210 gallon tank with a 34gallon sump. It came with a 300w heater but we will likely replace it. What are some good heaters that would be recommended?
Thanks!

 

[lapin]

JBJ ti with controller

 

[Corey Monster]

I'd recommend 2 cobalts

 

[PeterC99]

Look into new new Innovative Marine Helio PTC Aquarium Heaters. Keep aquarium temps spot on.