|The hops for this beer.|
I was digging through the deep-freeze a few weeks ago and came across the tightly vacuum wrapped remains of 2014’s hop harvest – 270 g (~9.5 oz) of Cascade hops. Not to sure what to with my unexpected bounty, I looked back to see what I did with the home-grown Cascades last year. Turns out last years beer was an Black Imperial Rye IPA – The Black Mamba IPA. Tasting notes (and memory) revealed that this was one of last years better beer, so I thought “what the hell, lets do it again”.
Last years beer ended up being under-gravity (more a BRIPA than a BIRIPA) as I had begun experimenting with wet milling my grain and had over-whetted the grain. I’ve now optimized this method, so I hope to hit the desired gravity (1.071) instead of missing it like I did last year (1.059).
But what to do with all those hops? The answer – add them all to one beer! For accuracy, the 75 minute bittering addition will be 34 IBU’s of Northern Brewer, but everything else is the home-grown cascade.
|My (hopefully temporary) $10|
3-tier mash system
How do you work in 270 g (over a half-pound) of home-grown hops? The answer is lots of additions – 57 g (~2 oz) at 20, 12 and 5 minutes, plus another 57 g in a 15 minute hop stand (half added at flame-out; half added 7.5 minutes after flame-out). But that leaves 34 g (~1.5 oz) unaccounted for – that would be the prime hops; the ones I put aside into their own little pack as they had the most resin and aroma of the harvest. Those are being held back for a 3-day dry-hop after primary fermentation is complete. Estimated IBU’s are 67; maybe lower or higher depending on just how bitter the home-grown hops are.
Grain bill is pretty much unchanged from last year – good quality Canadian pale malt as a base malt, 25% rye for that refreshing rye crispness, some carafa special II & victory malt to round things out. Again, I am trying Conan, but will coax more ester flavour out of it by under-pitching (50% the recommended rate) and minimally oxygenating the wort. Fermentation will begin at 18 C (65 F, AKA my basements temperature) and ramp up to 22C (72 F) to finish. I’m going all-out, and even altering the water to up the sulphate and magnesium to make the hops pop.
|Lines are run|
The in-laws are coming over for lunch, so the brewday started early (6 AM). Everything was measured out last night, so I simply plugged in m HLT and started heating water while making SWIMBO & I some coffee. Mash & sparge went without error, giving a pre-boil gravity of 1.052; just one point short of the predicted 1.053 and I have about half-litre more volume than planned, so I’m probably dead-on. Boil started at 9AM, putting me ahead of schedule (2 pots of coffee helped), so taking advantage of my extra time I got the lines strung for this years hops.
For the first time this year I actually got a full-length boil without my propane burner crapping out mid-brew – I’m guessing that’s because the polar temperatures are finally gone. The vacuum-packed hops were like giant plugs and took some work to break-up, but I got them all in. Before I knew it I was cooling the wort – I barely missed my target gravity (1.070 instead of 1.071), good enough for government work!
I hope the taste of this beer is as flawless as the brewday!
|Crowns are starting to send|
|Return of the Black Mamba|
|Type: All Grain||Date: 25 April 2015|
|Batch Size (fermenter): 21.00 l||Boil Size: 31.32 l|
|Boil Time: 75 min||Brewhouse Efficiency: 72.00 %|
|Est Original Gravity: 1.071 SG||Measured Original Gravity: 1.062 SG|
|Est Final Gravity: 1.009 SG||Estimated Alcohol by Vol: 8.2 %|
|Bitterness: 66.5 IBUs||Est Color: 28.6 SRM|
|Mash Name: Single Infusion, Light Body, Batch Sparge||Total Grain Weight: 7.25 kg|
|Sparge Water: 19.67 l||Grain Temperature: 18.0 C|
|Sparge Temperature: 75.6 C||Tun Temperature: 18.0 C|
|Adjust Temp for Equipment: TRUE||Mash PH: 5.20|
Sparge Step: Batch sparge with 2 steps (3.89l, 15.78l) of 75.6 C water
|Mash Notes: Simple single infusion mash for use with most modern well modified grains (about 95% of the time).|
Carbonation and Storage
|Carbonation Type: Keg||Volumes of CO2: 2.3|
|Pressure/Weight: 12.54 PSI||Keg/Bottling Temperature: 7.2 C|
-4.3g epsomSparge (18.6L):
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