You can make really wonderful candles by whipping soy wax so to make it appear as a soft cream!
You DON'T necessarily NEED an electric whip or a hand whip: I always whip the wax by using a chopstick!
The only secret is to wait that soy wax cools down and becomes pretty thick.
I do not use a thermometer either: I just look at the change of colour of the wax over time and I test the thickness with the chopstick (if it stays upright for few seconds that means that you're ready to pour!).