Thats pretty cool! I'll look into itI have 600 watts in my 90g 8’ square bottom tank. I have the 400 and 200 hooked up to a device that monitors them. Here’s a picture. You put in the temp you want it at and the berth it has (meaning +or- a couple degrees, I have mine set at 1), and it does a really good job. Of course I check mine every so often.View attachment 163940