What is a good heater? I have used 2 heaters in my 90gallon & the first one heated up the tank to about 90 degrees. I bought a new one to replace that one and now the new one won't shut off. The first heater was Aquael 200 and the other one is a Jebo Odysea 300. Are there any heaters reliable for this size aquarium other than the Jebo or Odysea? (Both of these heaters end up falling off the glass and floating and there's nothing I can do about it.)