GB105

Method: BIAB
Style: British Golden Ale
Boil Time: 60 min
Batch Size: 36.3 liters (ending kettle volume)
Pre Boil Size: 42.05 liters
Pre Boil Gravity: 1.036 (recipe based estimate)
Efficiency: 75% (ending kettle)
Calories: 193 calories (Per 500ml)
Carbs: 17.5 g (Per 500ml)

Created: Monday October 3rd 2022

Original Gravity:

1.042

Final Gravity:

1.008

ABV (standard):

4.5%

IBU (tinseth):

28.6

EBC (ebcmorey):

5.3

Mash pH

5.3

Cost £

34.81

Fermentables

Amount	Fermentable	Cost	PPG	EBC	Bill %
3.20 kg	United Kingdom - Maris Otter Pale3.2 kg Maris Otter Pale	£ 1.96 / kg £ 6.27	38	3.75	50.8%
500 g	DE - Carapils500 g Carapils	£ 2.64 / kg £ 1.32	35	1.97	7.9%
2.50 kg	Bestmalz - BEST Heidelberg2.5 kg BEST Heidelberg	£ 2.16 / kg £ 5.40	38	1.97	39.7%
100 g	Flaked Barley100 g Flaked Barley	£ 2.20 / kg £ 0.22	32	2.2	1.6%
6.30 kg / £ 13.21

Hops

Amount	Variety	Cost	Type	AA	Use	Time	IBU	Bill %
25 g	Magnum25 g Magnum Hops	£ 0.04 / g £ 1.00	Leaf/Whole	11.1	First Wort at 80 °C	60 min	21.96	18.5%
10 g	Citra10 g Citra Hops	£ 0.07 / g £ 0.65	Leaf/Whole	14.2	Boil	15 min	5.07	7.4%
35 g	Citra35 g Citra Hops	£ 0.07 / g £ 2.28	Leaf/Whole	14.2	Boil	1 min	1.54	25.9%
30 g	Citra30 g Citra Hops	£ 0.07 / g £ 1.95	Leaf/Whole	14.2	Whirlpool at 73 °C	30 min		22.2%
35 g	Citra35 g Citra Hops	£ 0.07 / g £ 2.45	Leaf/Whole	14.2	Dry Hop	4 days		25.9%
135 g / £ 8.33

Show Summary View

Amount	Variety	Cost	IBU	Bill %
25 g	Magnum (Leaf/Whole) 25 g Magnum (Leaf/Whole) Hops	£ 0.04 / g £ 1.00	21.96	18.5%
110 g	Citra (Leaf/Whole) 110 g Citra (Leaf/Whole) Hops	£ 0.07 / g £ 7.15	6.61	81.4%
135 g / £ 8.15

Other Ingredients

Amount	Name	Cost	Type	Use	Time
6 g	Calcium Chloride (dihydrate)	£ 0.04 / g £ 0.24	Water Agt	Mash	1 hr.
2 g	Epsom Salt	£ 0.02 / g £ 0.04	Water Agt	Mash	1 hr.
3 g	Gypsum	£ 0.01 / g £ 0.03	Water Agt	Mash	1 hr.
2 g	Salt	£ 0.01 / g £ 0.02	Water Agt	Mash	1 hr.
16 ml	Lactic acid	£ 0.02 / ml £ 0.32	Water Agt	Mash	1 hr.
2.60 g	Brewtan B	£ 0.23 / g £ 0.60	Fining	Mash	0 min.
1 g	Campden Tablets	£ 0.02 / g £ 0.02	Water Agt	Mash	1 hr.
£ 1.27

Yeast

Mangrove Jack - Hophead M66

Amount:	3 Each	Cost:	£ 4.00 / each £ 12.00
Attenuation (custom):	79%	Flocculation:	High
Optimum Temp:	18 - 22 °C	Starter:	No
Fermentation Temp:	18 °C	Pitch Rate:	0.75 (M cells / ml / ° P) 285 B cells required

£ 12.00 Yeast Pitch Rate and Starter Calculator

Priming

CO₂ Level: 1.9 Volumes

Target Water Profile

Balanced Profile II

Ca⁺²	Mg⁺²	Na⁺	Cl^-	SO₄^-2	HCO₃^-
150	10	80	150	160	220
Alk 223 PH 6.93 Treated Alk 68 PH 5.50 Mash +5 PH 5.24 +20 PH 5.16 +1g SodCarb +40 PH 5.20 +60 PH 5.24 Ref preboil 10.00 postboil 10.50 Fermenter Ref 10.8 Hyd 1.042
Mash Chemistry and Brewing Water Calculator

Mash Guidelines

Amount	Description	Type	Start Temp	Target Temp	Time
44 L		Infusion	67 °C	65 °C	60 min

Quick Water Requirements

Water	Liters
WARNING: Mash tun capacity exceeded. Volume required: 52.22 L. Suggest reducing initial water volume to 41.57 L and adding 6.82 L sparge/top-off.	48.4
Total strike volume	48.4
Mash volume with grains	52.2
Grain absorption losses	-5.8
Mash Lauter Tun losses	-0.9
Volume increase from sugar/extract (early additions)	0.4
Pre boil volume (equipment estimates 42.4 L)	42.1
Boil off losses	-5.7
Hops absorption losses (first wort, boil, aroma)	-0.4
Post boil volume (equipment estimates 36 L)	36.3
Hops absorption losses (whirlpool, hop stand)	-0.2
Estimated amount in fermentor	36.2
Total:	48.4
Equipment Profile Used:	System Default

Notes

Ferment
9 Days 1.08
13 Days 1.08

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Last Updated: 2022-10-23 18:52 UTC

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GB105