As for the temperature, a good whirlpool temperature is 170°F (77°C). Some say that you can go higher than 170°F. However, you don’t want to go too high because you’ll extract excess bitterness. You also shouldn’t go lower than 170°F. If you want to go lower than 170°F...
Now, if you really need to serve cocktails on tap, then this system isn’t going to work. For that you’ll need what’s referred to as a “Cornelius Keg”, which is a five-gallon keg typically used for soda. They’re great for this because they have a nice wide opening that makes...