You can place your melt pot into a water bath in the sink to help it cool quicker. The wax will start to solidify on the sides of the melt pot and thermometer. Keep stirring the wax to keep the temperature even.
Alternate method, courtesy of Lyschel at the Candle Cocoon:
Lyschel says, "You can poor much hotter (170F) is fine. If you pour super quick and use a cool water bath IMMEDIATELY. You will get what actually looks like frost crystals. It does look a bit different. I just thought it would be interesting."

