acrylic tank +heater

[candy]

wats a good heater to use ..will a heater stuck on the the acrylic make it worp or is it fine?

 

[Gazoo]

For my acrylic tanks I use a Visa-Therm 150 watt on my 35 gallon and a 25 watt on my 7 gallon with no problems at all. I would say as long as you mount whatever heater brand you choose paralel to the acrylic so it doesn't touch, you should have no problems.