Yeah I've got a system of sorts for my bottling strategy. I take the weight of the bottle in grams and divide it by the volume in mL. If the ratio gets me to about .7 I will bottle over 3volumes. If a bottle is under I use it for IPAs and lower carbed beers so basically all American long necks I'll only bottle UP to 3 volumes.
This batch was bottled in a mix of corked belgian bottles, crown belgian bottles (ala Jolly Pumpkin), Grolsch green bottles, and champagne bottles. It should end up between 3 and 4 volumes of CO2.
Also yes these 9L and 3L bottles are champagne bottles. I bought a couple empty display bottles for the purpose of parties. I'm opening this 9L on the day of my college graduation party. I'm bottling up a 6L bottle of my soured wit for my friend who's having a masters graduation party. The 3L are realistic for 3-4 people to drink in a night, but the 6L and up needs to be a party!
Going through life is hard.
Going through life stupid is harder.