Other than the cost of buying a conventional heater (if you didn't already have one) and the (remote) possibility of the heater breaking, what's the advantage to doing it this way ?
Seems a bit of "Six of one, half dozen of the other"
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-Mark
29 Gal Bowfront w/24" LED Lights. DIY HOB Sump (5.4 Gal) MP40. Orange Spotted Watchman Goby, 2 Clownfish and a few hermits.
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