Vortech vs Tunze

[ed99]

And here I thought I was smart enough to find the smoke deep inside, as one of the users mentions. Just replaced it and after an hour I can still touch the transformer, must be a good sign. It's working great, everything is stirred up and I can feel the current at least half way down the tank. 2 or 3 of these things in the tank must be like a hot tub.