Small Heaters

Leopardess

Superstar Fish
#4
In my 2.5g tanks, I use the Visatherme 25w (I think) heaters. They're adjustable and have proven very reliable.

However, if you can find them, I've seen heating "pads" sold for small betta tanks that the tank sits on top of. Not sure how adjustable they are or where to find them though:p

Best bet might be to keep the tank in a consistently warm spot in the house...
 

Mar 24, 2004
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gainesville, fl
plaza.ufl.edu
#7
those heaters have thermostats with temperature control...but you do have to watch it closely, and i'd set even a 25w heater at least 5 degrees lower than my target temp. and test it...my ebo is super stable, but it's not pinpoint accurate, it definitely varies with the size of the tank its in...ie, its in a 20g, i set it to 75 and get 79...it's in a 40g, i set 79 and get 79....etc.