Review title is Not good [SEP] My unit must of been defective, it boils the  acetone it leaks and it has melted my on off button to where I can't even use it anymore.<br /> I have not contacted the seller. But after writing this review I think it's the best thing so that they will be aware of what happened to the unit and hopefully I will get a replacement. I did attach a photo to show the button and it even melted the temperature indicators plastic right off.