Originally Posted by Catt22
A little off topic, but I was wondering why the big concern about using some water for chilling? Are you in a drought area or something? My point is that the water is probably cheaper than the ice in terms of both energy cost and expenditure if you have to buy it. It takes energy to make ice. Water is a renewable resource and ti too requires energy to treat and deliver it to you. What I'm getting at is that using ice may be less environmentally responsible than using water. I'm just guessing here and don't know for certain. You can also recover the cooling water and use it for something else.
Just to be the Devil's advocate...
I would tend to think the cost difference between freezing water and using more water would be quite small. Electricity and water are both pretty cheap in the big picture.
The average hose bib puts out about 10 GPM. 20 minutes to cool your wort uses 200 gallons of water. That is quite a bit of water to recover. A washing machine uses a bout 50 g per load.