grid blonde v1_3

Starting another run of light colored beers for my imaginary brewery – Grid. This blonde is solid at this point. i do prefer the london fog and imperial juice versions better than the cal ale since they have a bit more body and ester profile.

Recipe Info
Recipe: grid blonde v1_3
Style: Blonde Ale 18A BJCP 2015
Author: Dennis Pike
Date: 12-21-2019

RecipeGuideline MinGuideline Max
OG1.0461.0381.054
FG1.0101.0081.013
Color4.33.06.0
ABV4.73.85.5
IBU28.015.028.0

Brewery Info
Efficiency: 72 %
Attenuation: 78 %

Mash Info
Weight: 16.5 Lbs
Thickness: 1.25 Qt per Lb
Deadspace: 2.0 G
Strikewater: 7.16 G
Volume: 8.48 G
Temp: 32.0 F

Boil Info
Kettle Gravity: 1.040
Predicted Mash Run-off: 5.67 G
Target Starting Boil Volume: 11.0 G
Boil Duration: 60 min
Evaporation Rate: 1.5 G per Hour
Final Boil Volume: 9.5 G

Fermentables

Weight% by WeightNameYieldSRM
15.000 Lb91.0 %Brewer’s Malt, 2-Row, Premium (Great Western)80.02.0
1.000 Lb6.0 %chit malt (BestMälz)78.31.5
0.500 Lb3.0 %Honey Malt (Gambrinus)83.025.0

Hops

WeightNameAAUTimeUseIBUs
0.5 OzColumbus/Tomahawk/Zeus (CTZ)14.060 minsBoil15.0
1.0 OzNugget13.620 minsAroma9.0
1.0 OzCascade4.720 minsAroma3.0

Yeast

AmountName
1.000 unitFlagship Imperial A07

Misc

AmountNameTimeUse
1.000 tabletWhirlfloc Tablet15 minsBoil
1.000 tspYeast Nutrient (Wyeast)10 minsBoil

Water
Predicted Mash Ph: 5.49

CaMgNaClSoBicarbonate
Water7321302430
Mash62321986330
Sparge62321986330
Final9853315510047
Target7500000

Water Profile Name: carrboro
Target Profile Name: standard

Mash Water
Total Water Treated: 28.391 G
Percent RO / Distlled: 0 %
Water Used: 7.500 G

Mash Water Adjustments
Gypsum: 2.0 g
Calcium Chloride: 4.0 g
Lactic Acid: 4.0 ml @ 88.000 %

Sparge Water
Leftover Mash Water Used: Yes
Total Water Treated: 7.500 G
Percent RO / Distlled: 0 %
Water Used: 7.500 G

Sparge Water Adjustments
Gypsum: 2.0 g
Calcium Chloride: 4.0 g

Notes

Ferment 68f for 2 weeks

5/13/21 made a 1L starter of WLP001 w/ canned wort. fermented normally.
5/14/21 normal 3V brewday. no issues. pitched @ 3pm.
5/15/21 steady bubbling
5/17/21 slow steady bubbling. definite blow off. should cut back 0.5 gallons in final gallons to 9G.
5/18/21 ~4 sec
5/19/21 ~5 sec
5/20/21 ~8 sec
5/21/21 ~17 sec
5/22/21 ~13 sec (heater on). took sample. 1.012. tastes awesome.
5/23/21 basically no bubbling
5/24/21 1.010 no bubbling. diacetyl test – cold: clean, warm: clean 🙂
cold crash to 35F and harvest tomorrow during brewday.
5/25/21. dropped yeast. not a very big pull. only 400mL before came out
5/26/21 racked to keg and put on 30psi
5/27/21 put on @ 14psi @ 38 F
5/30/21 carb is finally about right. low the first couple of days. starting to drop clear
6/6/21 completely clear

really nice beer!

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