I have recently moved to 10 gal batches and even with pumping ice water through my IC it just isnt cutting it. I knew this would be the weakest link when stepping up but as it gets colder I thought the differential in ground water temp would make up for still using a 25 ft Immersion chiller. Well, it just takes too damn long to chill this way so I am going to upgrade.
I do like the ease of my IC and have though about just going to a 50 ft IC with a larger diameter but I still feel like that is going to take a long time.
I would like to stay with gravity feed and although I would have to raise the overall height of my brewstand so that I can gravity feed through the Chiller and into fermentor I am pretty sure that I know how I can do it without causing a huge pain in brewday.
I also like my IC because I can chill and leave behind a lot of trub/hop matter in the kettle but this is not a huge deal for me. I am somewhat concerned about clogging either of these chillers but I do put my whole hops in a bag. From what I have read trub/pellet hops directly into the boil do no generally clog either of these chillers.
So what are your opinions on each regarding efficiency, clogging, ease of use, cleaning, setup etc.