Home > Brewing > Brew #74: Bryggeri Brewpub Homebrew Challenge: DIPA

Brew #74: Bryggeri Brewpub Homebrew Challenge: DIPA

July 9, 2014

I was going to brew an IPA this summer to use up some hops and yeast and interestingly Bryggeri Brewery and Restaurant announced a homebrew DIPA challenge, winner getting to brew a 1000-litre batch of the winning beer.

It wasn’t specified that this couldn’t be a joint effort so I quickly recruited Arde (Ari Juntunen), a famous Finnish IPA hop-head, and as he didn’t have any commercial brewing history either (as a requirement specified in the competition rules), I got to ask some stylistic questions and pointers for which direction to go. I am all about balance but this chap is not, he is the opposite of balance, skewed towards the hops. So some basic characteristics were agreed on the malt base and the hops.

I have got two main obstacles. Speidel Braumeister’s sweet spot is around 1050° and my well water is very soft. As luck would have it, Bryggeri’s head brewer is German so soft water and some balance might not be entirely bad after all…I’m going to double mash with my 20-litre unit – mash half of the grist first then pause and replace the malt with the second half.

When all my instincts shout that 50 IBUs is about right when it comes to the initial bittering addition, I will hike that up to 75. I am using hop bags for the three first hop additions (90 min, 30 min and 15 min) so the utilisation will be poor anyway. Hop stand additions will go into the hop spider. Chinook will be the running theme, accompanied by Columbus in the beginning and Cascade in the end.

We will submit the beer by mid-August provided there are no problems with it later on.

name DIPA
“style” Double IPA
brewlength 24 litres
IBU 129
EBC 18
IBU to OG ratio 1.73
brewing date 9-Jul-14
yeast Lallemand BRY-97
OG 1074
fermentables grain kg %
grain 1 Pale Ale 6.500 86.9%
grain 2 CaraRed 0.300 4.0%
grain 3 Crystal150 0.120 1.6%
grain 4 CaraMunich2 0.110 1.5%
grain 5 Wheat malt 0.100 1.3%
adjunct 1 Sugar 0.350 4.7%
total 7.480 100%
hops gram minutes ibu %ibu
Chinook 16.5% 28 90 36 28%
Columbus 14.8% 25 90 37 29%
Chinook 16.5% 18 30 17 13%
Columbus 14.8% 16 30 17 13%
Chinook 16.5% 18 15 11 9%
Columbus 14.8% 16 15 11 9%
Chinook 16.5% 15 0 0 0%
Cascade 7.6% 25 0 0 0%
Chinook 16.5% 30 -15 0 0%
Cascade 7.6% 25 -15 0 0%
total 216 129 100%
double mash
mash schedule minutes °C
step 1 – mash in 5 55
step 2 90 66
change of malt
step 3 90 66
step 4 – mash out 15 77
Hop-stand for 30 minutes

EDIT: Dry-hopped the final five days in the FV with 25g of Columbus and 10g of Cascade.

EDIT2: Bottled 25th July.

Advertisements
Categories: Brewing