Finish the following sentence with the best choice: To heat up wax to prepare it for candle making

Choices:
- use a double boiler to prepare wax for candle making. It should reach a temperature of 180–190 degrees.
- use an oven broiler to prepare wax for candle making. It should reach a temperature of 350–400 degrees.

Answer:
use a double boiler to prepare wax for candle making. It should reach a temperature of 180–190 degrees.