I have been reading a lot about the different coolers to use for my MLT. I think I am gonna go with a rectangular cooler and use the 5 gallon round cooler as my HLT. Maybe one day when I am rich and famous (i.e. not having three small expensive children) I will go with keggles for everything. Just happy to finally be getting into all grain. I have a question. For any of you who use keggles, I made one myself. Do you guys cool the wort in it or do you transfer it out of the kettle and then use a wort chiller. It just seems like the keg would take a while to cool down. Unless you use a hose or something to spray the outside of it down to cool it off.