ILMSTMF
Well-Known Member
- Joined
- Jan 17, 2014
- Messages
- 534
- Reaction score
- 166
I have the FZ AR. It's pressure-rated but I have yet to use it for high(er) pressure applications*. Fourth batch into it and this recipe calls for dry hop addition. I already have a plan for minimizing O2 exposure when I dump the loose hops in. I have come to terms with that method but now I'm trying to figure out what would be best practice to follow that.
1) Seal lid. Purge headspace a few times at X psi (what should X be?). Disconnect CO2 supply, do not attach airlock. Any pressure building up in FV will be from natural means. After dry hops have made contact for 3 days, cold crash at 5 psi.
2) Seal lid. Purge headspace a few times at X psi (what should X be?). Disconnect CO2 supply. Connect airlock. After dry hops have made contact for 3 days, disconnect airlock. Cold crash at 5 psi.
3) Seal lid. Purge headspace a few times at X psi (what should X be?). Leave CO2 supply connected. After dry hops have made contact for 3 days, cold crash at 5 psi.
Food for thought
* Pressure applications I have performed (those without airlock / exhaust) - cold crash with bottled CO2 pressure, closed transfer to keg with bottled CO2 pressure (love this).
• Goal is to not "waste" the dry hops. I mean, DUH. We all want to get the best (flavor and aroma) out of this part, right?
• I had the idea that option 1 would be the way to go. The thought being that completely closing off the exhaust would keep the hop aroma in the beer. No science behind that.
• I haven't used my spunding valve yet. In tests, it didn't seem to provide its expected / reliable function. It's a BlowTie v2. Not sure if it's worth experimenting with in a real world application.
• I have performed a "soft" cold crash to 50F under 5 psi. Warming up to 62F for the dry hop addition - 3 days. Then the "real" cold crash happens under 3-5 psi. Thanks @Noob_Brewer for the tip!
I think I'm in the right forum. Mods, please move if not. Thanks.
1) Seal lid. Purge headspace a few times at X psi (what should X be?). Disconnect CO2 supply, do not attach airlock. Any pressure building up in FV will be from natural means. After dry hops have made contact for 3 days, cold crash at 5 psi.
2) Seal lid. Purge headspace a few times at X psi (what should X be?). Disconnect CO2 supply. Connect airlock. After dry hops have made contact for 3 days, disconnect airlock. Cold crash at 5 psi.
3) Seal lid. Purge headspace a few times at X psi (what should X be?). Leave CO2 supply connected. After dry hops have made contact for 3 days, cold crash at 5 psi.
Food for thought
* Pressure applications I have performed (those without airlock / exhaust) - cold crash with bottled CO2 pressure, closed transfer to keg with bottled CO2 pressure (love this).
• Goal is to not "waste" the dry hops. I mean, DUH. We all want to get the best (flavor and aroma) out of this part, right?
• I had the idea that option 1 would be the way to go. The thought being that completely closing off the exhaust would keep the hop aroma in the beer. No science behind that.
• I haven't used my spunding valve yet. In tests, it didn't seem to provide its expected / reliable function. It's a BlowTie v2. Not sure if it's worth experimenting with in a real world application.
• I have performed a "soft" cold crash to 50F under 5 psi. Warming up to 62F for the dry hop addition - 3 days. Then the "real" cold crash happens under 3-5 psi. Thanks @Noob_Brewer for the tip!
I think I'm in the right forum. Mods, please move if not. Thanks.