Alrighty. I have a 10 gallon tank, a 1.5 gallon tank, and a 1 gallon tank. I have a Tetra Heater 5-15 gal in the 10 gallon. You can't adjust the heat on it but it has kept the tank at a steady 78 degrees. Since I never have a whole lot of money to spend, I try to stay cheap without getting pieces of junk. This one has been working out so far. But I was curious what heaters everyone else uses that work well.
I also want to look into small heaters for the small tanks. But I'm unsure what sort of heaters to look into that would be alright to use. I don't know how cold it will get in the house we're in and I would feel really bad not having heaters for my boys.
Petsmart had one for 5 gallons and under that was small and could fit into the tanks but they were like $15 a piece. Which is what I paid for the 10 gallon tank.
Any recommendations on small heaters?