Belgian Dark Strong Ale Recipe - Quadubbel

Recipe Info

Recipe Image

Quadubbel

by on
All Grain
20 Liter(s)
23 Liter(s)
60 min
78%
Equipment used: Grainfather Strike volume: 17.13 Liters, sparge volume: 11.91 Liters as per calculator. Will be about 17L and 12L in reality. This recipe was intended as a Belgian Dubbel. It meets all requirements according to the style guide except it should be darker. It ended up being more like a quadrupel, but is a little light in ABV (which turns out to be 8%). Hence the name "Quadubbel". :-)

Fermentables

69% - Pale Ale - BE
4
38
3
Mash
17% - Caramel/Crystal 30 - US
1
35
30
Mash
1% - Chocolate - BE
0.05
30
340
Mash
13% - Belgian Dark Candi Sugar - BE
0.75
36
130
Late

Hops

Admiral
10
Pellet
Boil
60 min(s)
14.9
15.4
Hallertau
20
Pellet
Boil
5 min(s)
4.5
1.9

Yeast

Wyeast Trappist High Gravity 3787
79%

Other Stuff

No other stuff in this recipe

Mash Steps

Protein Rest
Infusion
50
10 min
Mash
Infusion
68
60 min
Mash-Out
Infusion
78
10 min

Special Instructions

1.
Strike volume: 17.13 Liters, sparge volume: 11.91 Liters as per calculator.

Tasting Notes (1)

John-van-Dam

Tasted on 4/12/2017 by John-van-Dam

Notes:

It took a long time to carbonate in the bottle! It has a lot of flavour and smells that remind me of the more heavier trappists (likely due to the yeast I used). But it lacks in body a bit. A bit watery after three sips which makes the alcohol a bit sharp. Next time I'll be increasing the grain bill with grain like munich and mash a little warmer.

Comments

  • John-van-Dam

    Brew went well, but I did not hit my marks. I overshot quite a bit! I hit a preboil OG of 1.051. I also ended up with more wort after sparging (23.5/24L) so I will need to adjust the sparging calculations for the grainfather a bit. Final mash efficiency a wopping 82%, so I should definitely increase my efficiency in the calculations. Final after boil with suggar added: OG 1.074.

    1/30/2017 1:56:37 AM
  • John-van-Dam

    Turned out my wort was too cold after pitching (16/17C), so fermentation started during the next day. Lack of wort aeration may also have contributed to the slow start (I received a pump and aeration stone from a fellow brewer so hope that may help next time). After one week + 2 days after pitching main fermentation was done with a final OG of 1.014! I expected it to be much higher. This yeast is a real fighter. Estimated ABV is 7.9%. Now in secondary fermentor. The beer tasted ok, but had a little earthy taste to it. This might be the yeast still floating around, we'll see. I hope that the taste will clean up in the next couple of weeks.

    2/8/2017 5:06:58 AM
  • John-van-Dam

    Bottled yesterday and it looks nice and clean.... but not as a double. I am a bit disappointed by the EBC calculations because it should have been way darker than is stated for the style description. It is in fact a nice caramel, but not "dark". Though, it could also have been an issue with the used candi sugar and that the stated EBC value on the package might be wrong. The yeast gave it a nice sharp tinge, so now it looks and tastes much like a quadrupple. I am renaming it from Dubbel no. 1 to "Quadubbel" as it is now a hybrid (to low in alcohol for it to be an actual quadruppel). First taste (uncarbonated) was already quite nice, I wonder how it will be once properly bottle conditioned and carbonated.

    2/20/2017 1:16:50 AM

Recipe Facts

Quadubbel
Belgian Dark Strong Ale
  • 20.00 Gallons Liters Batch Size
  • 23.00 Gallons Liters Boil Size
  • 60  min Boil Time
  • 1.073 OG
  • 1.015 FG
  • 17.3 IBU (tinseth) Bitterness
  • 0.24 BG:GU
  • 26.6° SRM Color
  • 78% Efficiency
  • 7.4% ABV Alcohol
  • 247 per 12oz Calories
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