Wasn't sure how to search this one, so I figured I'd just toss it out there - how much beer can one expect to lose in the pump and lines?
I ask because I am adding a pump to my system (5-gallon batches, 10-gallon cooler for the tun, 10-gallon BK) and my initial use will be to circulate the wort during chilling (using an IC) and introducing my new Hop Rocket to the mix as a filter at first - just to get used to working with a pump.
I'm adding a ball-valve near the top of my BK for a return. A hose will go from the bottom of the BK to the pump, then to the Hop Rocket, then back up to the BK. My total line length will be about 12 feet.
Is there a "standard" procedure to get that wort out of the lines and into the kettle once the pump is turned off? Or is anything left in the lines considered "waste" and just dumped during the cleaning process? If so, I can note how much is lost and add it to my batch size to compensate - just wondering what other folks are doing.