del, I wanted to remind everyone that I had a disaster with the menthol crystals when the candle I was using was too tall and too close to the ceramic diffuser. Let's leave it at that. So, I would recommend an electric coffee warmer or food warmer.
still need help to use crystals and difusser.-- what difusser do i use,electric? where do iget it. what size.how many crystals do i use.i am searching and keep hitting a brick wall.thanx in advanced for all help.