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Is/Was Saison 5.75 Gal

Name: Is/Was Saison 5.75 Gal
Prep time: 60 min
Cook time: 60 min
Total time: 120 min
Yield: 5.75 gallons
Cuisine: Homebrewing
Ingredients: 8 lb Belgian Pilsner Malt; 1.5 lb Spelt Malt; 0.5 lb Flaked Oats; 1 oz East Kent Goldings Hops; 0.5 oz Fuggles Hops; 1 oz Saaz Hops

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Method: BIAB
Style: Saison
Boil Time: 60 min
Batch Size: 5.75 gallons (fermentor volume)
Pre Boil Size: 7 gallons
Post Boil Size: 5.75 gallons
Pre Boil Gravity: 1.037 (recipe based estimate)
Post Boil Gravity: 1.045 (recipe based estimate)
Efficiency: 70% (brew house)
Source: Firefly Brewing
Calories: 147 calories (Per 12oz)
Carbs: 13.7 g (Per 12oz)

Created: Monday July 6th 2026

Saison: summer saison

by VT_jlee

OG: 1.048 FG: 1.009 ABV: 5.1% IBU: 28

Original Gravity:

1.045

Final Gravity:

1.009

ABV (standard):

4.7%

IBU (tinseth):

33.7

SRM (morey):

3.7

Mash pH

5.9

Cost $

n/a

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Fermentables

Amount	Fermentable	PPG	°L	Bill %
8 lb	Dingemans - Belgian Pilsner Malt8 lb Belgian Pilsner Malt	37	1.6	80%
1.50 lb	Weyermann - Spelt Malt1.5 lb Spelt Malt	36.6	5	15%
0.50 lb	Flaked Oats0.5 lb Flaked Oats	33	2.2	5%
10 lbs / $ 0.00

Hops

Amount	Variety	Type	AA	Use	Time	IBU	Bill %
1 oz	East Kent Goldings1 oz East Kent Goldings Hops	Pellet	6.6	Boil	60 min	24.57	40%
0.50 oz	Fuggles0.5 oz Fuggles Hops	Pellet	5.3	Boil	30 min	7.58	20%
1 oz	Saaz1 oz Saaz Hops	Pellet	2.1	Boil	5 min	1.56	40%
2.50 oz / $ 0.00

Show Summary View

Mash Guidelines

Amount	Description	Type	Start Temp	Target Temp	Time
8 gal	BIAB	Batch Sparge	--	149 °F	60 min

Other Ingredients

Amount	Name	Type	Use	Time
0.10 oz	Fermcap	Other	Boil	1 hr.
0.10 oz	Wyeast - Beer Nutrient	Other	Boil	10 min.
1 each	Whirlfloc	Fining	Boil	10 min.

Yeast

Omega Yeast Labs - Belgian Saison II OYL-042

Amount:	1 Each	Cost:
Attenuation (avg):	77%	Flocculation:	Medium
Optimum Temp:	70 - 84 °F	Starter:	No
Fermentation Temp:	72 °F	Pitch Rate:	0.35 (M cells / ml / ° P) 85 B cells required

$ 0.00 Yeast Pitch Rate and Starter Calculator

Priming

Method: co2 Amount: 15 psi Temp: 45 °F CO₂ Level: 2.5 Volumes

Target Water Profile

Milwaukee 2017

Ca⁺²	Mg⁺²	Na⁺	Cl^-	SO₄^-2	HCO₃^-
0	0	0	0	0	0
Mash Chemistry and Brewing Water Calculator

Notes

OYL-042
BELGIAN SAISON II
Attenuation: 74-79%
Temperature Range: 70–84° F (21–29° C)

Thought to originate from a small, sophisticated, Belgian brewer’s spelt saison. It is earthy, spicy, peppery, tart and dry, with tropical fruit and citrus at warm fermentation temperatures.

It favors pitching in the low 70s (21°C), and free-rising from there.

(1 hr x 1.25 gal/hr) + 5.75 gallons = 7.0 gallon pre-boil volume

(0.1 gal/lb x 10.0 lb) + 7 gal = 8.0 Gallon strike water volume

Last Updated and Sharing

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Brews

Public: Yup, Shared
Last Updated: 2026-07-07 13:44 UTC

Recipe costs can be adjusted by changing the batch size. They won't be saved but will give you an idea of costs if your final yield was different.

Cost for

Gallons

Cost by

Final Yield

	Cost $	Cost %
Fermentables	$
Steeping Grains (Extract Only)	$
Hops	$
Yeast	$
Other	$
Cost Per Barrel	$ 0.00
Cost Per Pint	$ 0.00
Total Cost	$ 0.00

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Amount	Variety	IBU	Bill %
1 oz	East Kent Goldings (Pellet)	24.57	40%
0.50 oz	Fuggles (Pellet)	7.58	20%
1 oz	Saaz (Pellet) 0.99999999771257 oz Saaz (Pellet) Hops	1.56	40%
2.50 oz / $ 0.00