Recommendations please

[Seapets]

I have a 10 gallon water box and what kind of heater can I use I kind a like the digital heater because it shows the temperature. But I don't know what kind of heater should I buy

 

[absolutecarrot]

I have a 10 gallon water box and what kind of heater can I use I kind a like the digital heater because it shows the temperature. But I don't know what kind of heater should I buy

I got the 20 cube I am using the cobalt neotherm and it seems to work well

 

[Owen386]

You gonna be running it on a controller?