Columbus IPA Tap Handle

Columbus IPA Tap Handle

One of the things I like to experiment with in my brewing is making single hop ales.  It really allows you to see what a particular hop variety brings to an ale.  To take this one step further (and feed my background as a former science teacher:), I like to take a recipe for a single hop ale, and brew it again, changing only one thing – the variety of hop.  Basically, this means keeping the hopping schedule, individual hop charge IBU percentages and overall brew IBUs identical to the original ale.  Tomorrow, I’ll be taking my Two Hearted IPA recipe, and changing only the hop variety – from Centennial hops (my hands-down favorite, only one hop to brew with on a desert island:) to Columbus hops.

Additionally, I’ll be bottling up a few bombers of the Two Hearted IPA, since I know the second keg will be gone before the Columbus IPA is ready, to allow for side by side comparisons of the two ales.  I just finished filtering my water and milling the grain for tomorrow’s brew day.  As always, the milled grain smells wonderful:)

Here’s the recipe for tomorrow’s brew day:

Columbus IPA
14-B American IPA

Size: 10.08 gal
Efficiency: 75.0%
Attenuation: 75.0%
Calories: 317.28 kcal per 16.0 fl oz

Original Gravity: 1.071 (1.056 – 1.075)
Terminal Gravity: 1.018 (1.010 – 1.018)
Color: 7.27 (6.0 – 15.0)
Alcohol: 7.03% (5.5% – 7.5%)
Bitterness: 61.1 (40.0 – 60.0)

Ingredients:
20.0 lb Pale Malt(2-row)
4.0 lb Vienna Malt
10.0 oz Crystal Malt 10°L
6.0 oz Crystal Malt 40°L
1.0 lb Cara-Pils Dextrine Malt
.5 oz Columbus (15.0%) – added during boil, boiled 60.0 min
.75 oz Columbus (15.0%) – added during boil, boiled 45.0 min
.80 oz Columbus (15.0%) – added during boil, boiled 20.0 min
1.0 lb Corn Sugar
1.5 oz Columbus (15.0%) – added during boil, boiled 10.0 min
1.5 oz Columbus (15.0%) – added during boil, boiled 0.0 min
2 ea Whirlfloc – added during boil, boiled 10.0 min
1.0 tsp Yeast Nutrient – added during boil, boiled 10.0 min
2000 mL White Labs WLP001 California Ale

Milling grain for Columbus IPA

Milling grain for Columbus IPA

One other difference in this brew from the Two Hearted IPA is the yeast.  Unfortunately, I’m out of Pacific Ale yeast, but I’ll be restocking soon since a trip to B3 is in my near future.  This ale should dry out just a bit more than Two Hearted IPA, but I can adjust for that with a slightly higher mash temperature.

Brenda is off to San Franciso in the morning to take up another load of stuff to Meagan at AAU, so I’m on my own for the brew day.  Unfortunately, Meagan is using my older PowerBook G4 at school, until the new MacBooks are released in a couple weeks, so my iTunes server is MIA. I’ll have to rely on Sirius for brew day tunes:)

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