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Brewing The All American Oatmeal Stout 6.1% ABV On The Bulldog

This was the most recent kit (All American Oatmeal Stout 6.1% ABV) we brewed so we had already learned a thing or two. It contains over 6 Kg grain and also flaked oats, and there is just one 60 minute hop addition with about 70 grams of hop pellets.

The first mistake we made was starting with only 20 litres of water; the malt pipe hoovered it up and the water level in the boiler fell below the inlet to the tap. This was potentially very bad because there wasn’t much water covering the heating element and it could have overheated. The first indication was lots of air in the recirculating wort . . . thought it was a tap leak so we closed the tap and this stopped the air bubbles while the pump was still on. So it wasn’t the tap and we quickly found the problem by looking into the boiler, we could also hear a gurgling sound coming from the tap inlet. We added another 3 litres of water and this issue was solved.

After mashing for an hour, we heated up the wort to 76 oC and recirculated for 10 minutes. Then sparged with 6 litres of water, also at 76 oC. After about 15 minutes we placed the malt pipe in a bucket and continued. We took a gravity reading and adjusted the final wort volume required to 27 litres. During the boil we also managed to collect just over a litre from the draining malt pipe in the bucket.

As with most of the other kits, we had to scrape the top of the bazooka with a paddle to get a flow into the fermenter and this took a few minutes (didn’t time it).

In the end, we got over 26 litres into the fermenter at 1062. A massive improvement over previous efforts with a similar grain bill.


2 Comments

  1. The Double IPA was one of the first high grain bill recipes we brewed on the Bulldog Brewer and we only got 17 litres at target OG into the fermenter. We’ve learned a thing or two since so we will brew it again in a few days and expect a lot more wort.

    Having said that, the aroma from the fermenter after just 3 days was amazing; it will be a very interesting beer.

    We will create a new post for it as soon as we brew it again.

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