I have a bunch of guys that I brew with, usually 3 or 4 batches at one time. We all just converted to all-grain! It has been a smooth transition but we use a ton of water cooling down that many batches with my wort chiller. Has anyone ever used a pump to sort of circulate the water to cool wort? Maybe fill a utility sink with ice water and use a pump to feed the water through the wort chiller and drain it back into the ice bath to cool the water back down. Thoughts?