Cherry and guava puree amounts

[tslmusic2]

Hey, im making a cherry stout and a guava blonde soon wondering how much puree i should use for a 15bbl batch. Im probably going to use perfect puree or oregon puree unless there might be a better source by west Los Angeles. Any info helps cheers!

[beerguy1]

Oregon fruit has helped with questions like this. I liked all there stuff I have used I would start with them