Yesterday I brewed four 5gal All-grain batches (Imperial Pumpkin Stout, Saison, Oktoberfest, and a Dunkelweizen). All together including cleaning up, it took 14.5 hours(Started at 10am and finished at 12:30am). I do have two propane burners, a 10 gal, 7 gal, and 5 gal stainless pot, but I only...