Quote Originally Posted by SCWood View Post
That's so confusing �� even if they are all set to the same temps, you can't use different sizes? Because I have 2 smalls from 2 different brands and I planned on a medium and all 3 are for BPs so I figured they'd all be set to the same temp
Check the wattage rating for each. If they are the same then you can set them up and test them to see if they'd be the same or even close. Don't run the test where your critter can access the heat though, do it on an empty tank.