
What about a fan with a temp sensor that will only come on if too warm that way I wouldn't have extra evaporation is there anything like that?
I use 2 different fans for my tank:
Bought both from amazon
http://www.amazon.com/dp/B000QOMZT4/?tag=reefs04-20
http://www.amazon.com/dp/B0007Q3RRU/?tag=reefs04-20
I have it hooked up to a controller so it turns on when it goes over a certain temperature.
Yeh I just ordered the first according to the reviews is exact same as Air King for le$$ but has plastic instead of metal grill with is a +
