Just wondering if theres any small device that will circulate the wort in the brew kettle to increase the flow and heat transfer to the immersion chiller? Sure, I could stand there for a half hour moving it in tiny circles, but it not only burns my delicate hands, I also keep knocking into the long thermometer stems, which will eventually bend if not completely break off. Some sort of circulation device would be prefect. It would keep the wort moving, and transferring heat efficiently, and allow me to do something more useful with my time like clean up, or finish my pint. Whats the smallest trolling motor out there?