pour a couple of mugs worth of boiling water in it while it's still hot
Exercise caution here, if the wax is over 100°C the water can flash boil and spray the house with scalding molten wax. Of course, it shouldn't be and it won't be if you're using a bain-marie, but it's easy to overheat the wax if you're using direct heat.
Exercise caution here, if the wax is over 100°C the water can flash boil and spray the house with scalding molten wax. Of course, it shouldn't be and it won't be if you're using a bain-marie, but it's easy to overheat the wax if you're using direct heat.