Has anyone tried one of the super cheap ones from ebay?
Mini Cordless Ultrasonic Cleaner for Coins Aligners Jewelry Watch Dental Tattoo | eBay
That thing is really junk from what I have read, save your money.
As for heating, you don't really need it all that much. I've been using mine bought here for a few months to mix juice I have also been throwing my wicks in it between cleanings just for good measure. I got it back before Christmas when it was on sale. If you run it through like 3-4 cycles it heats up the water just from normal operation and I have had it running continuously from an hour to two hours regularly with no problems.
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