Tag Archives: experimental brews

Rated “PG” (for Pineapple Guava) 2026

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Our feijoa (pineapple guava) tree had a slack year in 2024-2025 (probably due to dry conditions), so I wasn’t able to gather any fruit. But, the tree produced fairly well towards the end of 2025, so it was the perfect time for a rebrew of my old favorite sour beer. The feijoa fruits weren’t quite as large this year, and were perhaps a bit riper when I picked them, so the overall quality is different from the first batch. That said, it still turned out as a great beer (even if a bit of extra work)!

Everything is pretty much the same this year as the previous version; there is a mix of pilsner malts, because I was getting to the end of my Pilsner Zero supply. With a smaller harvest of fruit, I opted for a 2.5 gallon instead of a 3 gallon recipe.

Rated “PG” (for Pineapple Guava) 2026

  • 1 lb. 12 oz red wheat malt (Briess)
  • 14 oz. Pilsner Zero malt (Viking)
  • 8 oz. Synergy Select Pilsen Malt (Briess)
  • 2 oz. rice hulls (added to mash)
  • 0.25 tsp. BrewTanB, added to mash
  • 0.25 tsp. BrewTanB, 10 minute boil
  • 1 oz. Saaz whole hops (South Dakota; est. 3.5% alpha), 5 minute boil
  • 0.5 tsp. yeast nutrient (WLN1000), 5 minute boil
  • 1 pkg. Wildbrew Philly Sour (Lallemand)
  • 2 lb. feijoa (pineapple guava) puree, added at end of fermentation

Target Parameters

  • 60 minute infusion mash, 152°, full volume mash
  • 1.031 o.g., 1.006 f.g., 3.2% abv, 5 IBU, 3 SRM
  • Claremont tap water, neutralized, to hit 120 ppm Ca, 7 ppm Mg, 89 ppm Na, 50 ppm SO4, 120 ppm Cl, 10 ppm bicarbonate, -81 RA
  • 2.5 gallon batch

Procedure

  • Starting with 3.75 gallons of tap water, I added a quarter of a Campden tablet to drop the chloramines, and then 2.65 mL of 88% lactic acid, to neutralize the bicarbonates.
  • I heated the water to 155°, before adding the grains, and holding at 152° for 60 minutes, with recirculation.
  • After the main mash, I raised the mash temperature to 168° and held it there for 10 minutes.
  • Once the mash was done, I pulled the grains. I had 3.4 gallons of runnings with a gravity of 1.025, for 72% mash efficiency.
  • I brought the runnings to a boil, and boiled for 60 minutes, adding hops and other ingredients per the recipe.
  • After the 60 minute boil, I chilled to 84°, transferred to the fermenter, pitched the yeast, and fermented at ambient. I wrapped a towel around the temperature to maintain temperature.
  • I brewed the beer on 18 February 2026; starting gravity was 1.033.
  • The beer was down to 70° by the morning of 19 February 2026, with active bubbling in the airlock. I put my fermentation heater next to the fermenter and wrapped the fermenter in a towel in order to keep the temperature up.
  • The fermenter was around 76° when I checked it on 22 February 2026.
  • I added the fruit puree on 22 February 2026. I had picked the feijoa at the end of December, skinned it, and then froze the pulp. After thawing, I pureed the pulp with an immersion blender, heated the puree it to between 160° and 165°, and then let it sit for 30 seconds. I added the pasteurized puree to the fermenter at this point, which raised the temperature to 86°. There was a gentle krausen on top when I opened the fermenter.
  • The fermenter sat at ambient, until I kegged the beer on 7 March 2026. I used 1.5 oz of corn sugar dissolved in water to start carbonation (and reduce oxygen).
  • Final gravity was 1.009, down from 1.033; this works out to 3.1% abv, pretty close to my initially estimated target.
  • After a few weeks, I moved the keg to the fermentation chamber and topped up the CO2 with forced carbonation.

Tasting

  • Appearance
    • Very hazy and straw-colored beer, with a surprisingly persistent white head (likely helped by the high level of carbonation).
  • Aroma
    • Highly tart, acidic aroma, with a medium level of tropical fruit; very ripe, almost like papaya, especially on the initial pour; as the beer warms, I pick up more guava, and a bit of apricot and pineapple.
  • Flavor
    • Very clean sour profile, with a lactic acid character; a light bread dough malt flavor. As the beer warms, a medium-low level of tropical fruit comes through, with well ripened pineapple as the dominant flavor. Minimal bitterness.
  • Mouthfeel
    • Highly carbonated, crisp, light-bodied beer; a wonderful effervescent character.
  • Would I Brew This Again?
    • This is a super amazing beer, made even more special by the fact that I picked the fruit in my yard. It is just about the perfect fruited sour; the aroma is a little more “ripe” than the previous version. The flavor is not as fruit-forward (hence the 9/10), but still nice. The Philly Sour strain works well for these kinds of beers; I’m definitely sold on it! Comparing with the previous version, the color is a little lighter; maybe that’s something about the fruit?
  • Overall
    • 9/10

The Martian Amber Ale

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Homebrewing is at its most fun for me in exploration. I’ll admit that with nearly 20 years of experience, I’m now pretty familiar with many ingredients and styles, so truly novel brews aren’t as common as they used to be. So, I was pretty excited when I read about a new malt from Gambrinus, called “Mars Malt,” which is marketed as a base malt that produces a red wort. The flavor description made it sound like a turbo-charged Munich, with all of the flavor characteristics one would expect there.

After seeing Denny Conn post on the AHA Forum about his plans to make a SMaSH altbier using Mars malt, I was inspired to make my own SMaSH recipe, aiming for an American amber ale. American ambers and altbiers are quite similar in strength, color, and bitterness, and so I think the recipes can be swapped around in creative ways. For an American amber ale SMaSH, I decided to focus on Centennial hops, because the pine and citrus work perfectly for that West Coast flavor. Yeast needed to be something clean and fast; although I often lean on WLP001 and BRY-97, I usually forget about Nottingham as another option. Although a British yeast, it’s another classic of American brewing, and does a good job of staying out of the way of the malt and hop flavors. Plus, Nottingham ferments fast and drops clear, both positive qualities for this project.

Because this was an experimental batch, I aimed for 2.75 gallons rather than my usual ~5 gallons. Gravity targeted Gambrinus’s recommended strength of 1.048 to maximize red color, and it also would keep the alcohol level in check. The hopping level was pretty standard for an American amber ale, and I kicked in some dry hops to maximize flavor and aroma. To avoid too minerally of water, I cut my tap water with some RO water, and built in epsom salt to boost the sulfates and enhance the hops.

I had fun putting together a logo/label for this recipe–it’s fairly simple, with a NASA-sourced artist’s image of Mars viewed from orbit, with a NASA-inspired font. All were freely available, and none were AI.

The Martian Amber Ale

  • 6 lb. Mars malt (Gambrinus)
  • 0.25 tsp. BrewTanB, added to mash
  • 0.5 oz. Centennial hop pellets (8.1% alpha), 60 minute boil
  • 0.25 tsp. BrewTanB, 10 minute boil
  • 1 Kick carrageenan tablet, 5 minute boil
  • 0.5 oz. Centennial hop pellets (8.1% alpha), 5 minute boil
  • 1 pkg. Nottingham ale dry yeast (Lallemand)
  • 1.5 oz. Centennial hop pellets (8.1% alpha), dry hop in primary

Target Parameters

  • 60 minute infusion mash, 152°, full volume mash
  • 1.048 o.g., 1.008 f.g., 5.3% abv, 33 IBU, 14 SRM
  • Water built from Claremont tap water and RO water to hit target parameters of 78 ppm Ca, 23 ppm Mg, 58 ppm Na, 107 ppm SO4, 78 ppm Cl, 85 ppm bicarbonate
  • 2.75 gallon batch

Procedure

  • I built the water up with 2.75 gallons of tap water (with a Campden tablet), 1.5 gallons of RO water, and 3 g of epsom salt.
  • I heated the water to 158°, before adding the grains and holding at 152° for 60 minutes, with recirculation.
  • After 60 minutes, I heated the mash to 168° for 10 minutes, and then pulled the grains.
  • In total, I collected 3.9 gallons of runnings at a gravity of 1.041, for 73% mash efficiency.
  • I brought the runnings to a boil, adding hops and finings per the recipe, maintaining a 60 minute boil.
  • After 60 minutes, I chilled the beer to 68° and let it settle for a bit before transferring to the fermenter and pitching the yeast.
  • I brewed this beer on 17 January 2026. It had a starting gravity of 1.049, a pretty good match for my target gravity.
  • Because ambient temperatures were pretty cool, I let the beer sit out. It was at 66° by the next morning, with regular bubbling through the airlock.
  • The beer was up to 70° by the morning of 19 January, so I moved the fermenter to a cooler room. This is still well within the optimal range for Nottingham, so I’m not too worried.
  • The fermenter was down to 66° by the evening of 19 January, and I moved it to a warmer room overnight.
  • The fermenter was down to 62° by noon on 20 January 2026. I added the dry hops at this point; when I opened the fermenter, the krausen had fallen pretty much entirely.
  • I cold crashed the beer on 24 January 2026, and kegged using a closed transfer on 1 February 2026.
  • Final gravity was 1.011, for 5.0% abv.
A glass of reddish amber beer with a foamy ivory-colored head, sitting on a stone surface surrounded by leaves.

Tasting

  • Appearance
    • Clear, reddish amber beer, with a tall and persistent ivory head–it’s fluffy and gorgeous!
  • Aroma
    • Prominent bready aroma, slightly toasty; more dark bread than light. Very malt forward. Resiny hops at a moderate level.
  • Flavor
    • Medium-high maltiness, with dark bread character. Bitter, with a citrus and pine hop character. Clean yeast quality.
  • Mouthfeel
    • Medium-light body, medium carbonation, dry finish.
  • Would I Brew This Again?
    • This is a pretty good SMaSH. The body is a touch thin, and I might recommend a mash at 156° or 158° in a future version. Alternatively, I might add a bit of crystal 20 or crystal 40. Overall, this is an interesting beer and a worthy experiment.
  • Overall
    • 7/10

St. Arnold Christmas Ale (Homage)

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Early in November, I visited the St. Arnold Brewing Company taproom, where I sampled their newly tapped Christmas Ale. True to its reputation, this was a phenomenal beer, and I enjoyed sitting down with the BYO Big Book of Clone Recipes to compare with my perceptions from the actual beer. That evening, I decided my next batch would be a Christmas Ale clone, and I planned out the brew session while sipping the real thing.

The batch brewed here hews pretty closely to the published clone in the malt bill and bittering hops. However, I subbed in Hallertauer for Liberty hops at flameout and used WLP066 (London Fog) instead of Wyeast 1968 or WLP002. WLP066 and WLP002 are very different, but the purported citrus and tropical fruit characters for WLP066 seemed like a good match for a holiday ale. From perspective of convenience, WLP066 is available in dry form and I already had some on-hand, too.

Saint Arnold Christmas Ale (Homage)

  • 6.25 lb. 2-row pale malt (Rahr)
  • 11 oz. Caravienne malt
  • 8 oz. Munich malt (BESTMALZ)
  • 4 oz. Caramunich II malt (Weyermann)
  • 4 oz. Special B malt (Dingemans)
  • 0.25 tsp. BrewTanB, added to mash
  • 0.75 oz. Perle hop pellets (6.3% alpha), 30 minute boil
  • 1 Kick carrageenan tablet, 5 minute boil
  • 0.25 tsp. yeast nutrient (White Labes WLN1000)
  • 1.1 oz. Hallertauer hop pellets (3.0% alpha), 5 minute whirlpool
  • 1 pkg. London Fog ale dry yeast (WLP066)
  • 0.5 oz. BioFine Clear, added to keg

Target Parameters

  • 75 minute infusion mash, 150°, full volume mash
  • 1.066 o.g., 1.011 f.g., 7.3% abv, 24 IBU, 14 SRM
  • Claremont tap water, neutralized with 88% lactic acid to remove bicarbonates.
  • 2.75 gallon batch

Procedure

  • I collected 4.3 gallons of tap water and added 4.4 mL of 88% lactic acid to knock out the carbonates. I heated this water to 156°, added the grains, and then held the mash at 150°, with recirculation, for 75 minutes. I added 2.7 mL of 88% lactic acid, to further adjust mash pH.
  • After 75 minutes, I raised the temperature to 168° for a 10 minute mash out. Finally, I removed the grains and brought the runnings up to a boil.
  • I collected 3.75 gallons of runnings at a gravity of 1.051, for 65% mash efficiency. I boiled the beer for 90 minutes, adding the hops and finings following the recipe. After the full boil, I added the whirlpool hops and recirculated for 5 minutes before chilling the rest of the way.
  • I chilled the beer to 71°, pitched the yeast, and let it ferment at 72°.
  • Starting gravity was 1.072; I brewed this beer on 9 November 2025.
  • Vigorous fermentation had kicked off within 24 hours. I pulled the beer to ambient on 22 November 2025 and kegged it on 23 November 2025.
  • Final gravity was 1.015, for 7.6% abv.
  • As expected, the beer was pretty hazy — WLP066 is used for hazy IPA’s, after all! I added Biofine Clear on 30 November 2025, to fix this. I was rewarded with a wonderfully clear beer, as shown in the picture.

Left: the original St. Arnold’s Christmas Ale, at the brewery; right: my homebrew version

Tasting

  • Appearance
    • This beer pours with a persistent ivory head, and displays a beautifully clear amber orange color in the glass.
  • Aroma
    • Slightly herbal and spicy hop aroma, with a caramel malty aroma at a moderate level.
  • Flavor
    • Medium herbal bitterness in the hopping. Caramel and bready quality to the malt, at a medium-high level. Rich flavor!
  • Mouthfeel
    • This is a full-bodied beer, with a moderate level of carbonation. The finish is relatively smooth.
  • Would I Brew This Again?
    • This is a very drinkable and enjoyable holiday beer–pretty much exactly what I wanted. I don’t know how it stacks up as a clone (given I can’t do a side-by-side-tasting), but in any case the beer itself is super good. The flavors and body add up to a rich and flavorful beer. I also really like the concept of leaning on the base hops and malts to get the suggestion of holiday spices, versus actual spice additives. I’m a fan of this beer!
  • Overall
    • 10/10

Old Franconia Lager

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“Farmhouse beers” are a huge and fuzzy category, in my mind including everything from saison to many kveik-based concoctions to some kellerbiers. Although a character-rich and slightly wild yeast is most common, I would also think some “rustic” lagers should also qualify. Farmhouse, like so many things in homebrewing and craft beer, is a moderately mythological concept, and one built more around feelings than strict history. I suppose that’s why it’s fun to play in the space! It can stir a different set of emotions from by-the-books or paint-by-numbers brewing; it allows creativity (and I suppose role-playing) in a way that many other styles don’t, or at least in ways that differ from other styles.

I recently ran across a supplier for Isaria 1924 malt by Weyermann (William’s Brewing). I am often interested in trying base malts outside my norm, and this was a fun opportunity to experiment. The descriptions / marketing material from Weyermann state that the malt is “made from the oldest German malting barley variety Isaria, which was officially approved for the beer production in 1924. Brewers used Isaria to brew traditional, unfiltered and flavorful traditional German Lagers.”

Colorwise, Isaria 1924 weighs in at 3.5 SRM and is thus closest to most Vienna malts (3-5 SRM, depending on supplier; the Weyermann version is 3 SRM). Relative to the Weyermann flavor wheel, Isaria 1924 reads as a subdued Vienna, with similar locations of flavor/aroma peaks, but different magnitudes (e.g., a peak at “sweet” taste but an arbitrary value of 2.5 versus 4.5).

Among the recommended styles from Weyermann, Franconian landbier was near the top. This intrigued me, because I had recently read about the “style” in the Spring 2025 issue of Craft Beer and Brewing (including recipe). Why not try something in that vein?

My version is not really based on anything in particular, other than crafting a general story–something to emphasize malt and lean into a story of a rustic beer that plausibly would originate in Franconia (which primarily overlaps with northern Bavaria). I wanted to use 100 percent Isaria 1924 malt, particularly because this was my main point of the brew session. I only had 10 pounds, which might be a bit lower on gravity than I wanted for my usual 5.25 gallon batch, so I scaled down to 4.5 gallons. Spalt Spalter hops were my hop selection, because they provide a nice earthy and spicy quality that fit well with my intended “rustic” results. Finally, I wanted to give WLP860 Munich lager dry yeast another spin; as a strain that would emphasize the malt character, and that also would be consistent with my Franconian/Bavarian theme (although Munich itself is to the south of historical Franconia–we’re going for “vibes” and not authenticity here!). During my last brew with it, I learned that a bit of patience was key–WLP860 is a slow starter, and so I shouldn’t fear if signs of fermentation are delayed.

Old Franconia Lager

  • 10 lb. Isaria 1924 malt (Weyermann)
  • 0.5 tsp. BrewTanB, added to mash
  • 1.25 oz. Spalt Spalter hop pellets (4.3% alpha), 60 minute boil
  • 0.5 tsp. BrewTanB, 10 minute boil
  • 1 Whirlfloc tablet, 5 minute boil
  • 1.75 oz. Spalt Spalter hop pellets (4.3% alpha), 5 minute boil
  • 2 pkg. Munich Lager dry yeast (White Labs WLP860)

Target Parameters

  • 60 minute infusion mash, 154°, full volume mash
  • 1.051 o.g., 1.016 f.g., 4.7% abv, 29 IBU, 6 SRM
  • Claremont tapwater, neutralized to remove bicarbonates. Roughly 40 ppm Ca, 18 ppm Mg, 102 ppm Na, 50 ppm SO4, 130 ppm Cl, RA=-31
  • 4.5 gallon batch

Procedure

  • I treated 6.75 gallons of water with a Campden tablet and 6.9 mL of 88% lactic acid, in order to drop out the bicarbonates.
  • Next, I heated the strike water to 159°, added the grains, and held at 154° with recirculation for 60 minutes. After that, I raised the mash temperature to 168°, held it there for 10 minutes, and then pulled the grains.
  • In total, I collected 6 gallons of runnings with a gravity of 1.038, for 64% mash efficiency.
  • I brought the runnings to a boil, adding hops and finings per the recipe. Because my gravity was a bit lower than intended, I boiled a bit harder to bring the gravity up. After 60 minutes, I turned off the heat and chilled the wort to 69° before transferring to the fermenter.
  • I chilled the wort down to 50° in the fermentation chamber, pitching the yeast when the beer was at 60° (night of the brew day).
  • This beer was brewed on 21 September 2025; it had a starting gravity of 1.049.
  • I fermented the beer at 50 degrees; small bubbles were visible on the surface by 22 September 2025, 24 hours after pitching. By 29 September, there was a good layer of krausen on the surface. Given the slow start the last time I used this yeast, I wanted to confirm that things were moving along. I noted an aroma of sulfur in the fermentation chamber on 30 September 2025.
  • I raised the temperature of the beer to 56° on 2 October 2025, and moved the beer to ambient on 7 October 2025.
  • Using a closed transfer, I kegged the beer on 18 October 2025. At the time, it had an amazing malt flavor!
  • Final gravity was 1.013, for 4.7% abv.

Tasting

  • Appearance
    • A deep gold beer, with a very slight haze, which pours with a thick, white, and persistent head. Beautiful!
  • Aroma
    • Medium malty-rich aroma, with moderate spicy hop character. Delicate hoppiness.
  • Flavor
    • Moderate malty rich character, against a medium level of hop bitterness. Clean yeast character.
  • Mouthfeel
    • Medium-light body, moderately high carbonation, off-dry finish. There’s may be a tiny bit of astringency.
  • Would I Brew This Again?
    • This is super nice as something a little different from the “usual” lagers. Isaria 1924 stands well as a solo malt, making an interesting and highly drinkable beer. I might dial the bitterness back a touch, or else increase the gravity slightly; the aroma is amazing, but I feel that the malt character is slightly obscured. I would also do a 90 minute mash or a decoction mash in order to improve efficiency, given the lower mash yield for this particular malt.
  • Overall
    • 8/10

Update: Around Christmas, I noted an increasingly heavy protein precipitation in this beer. I’ve never experienced something like it previously, at least in my homebrew. I didn’t have anything unusual with handling or technique, so I wonder if it’s caused by the malt. Or maybe just a fluke?

golden beer in glass with lots of white flakes of protein precipitate floating in it, like snowflakes
Let it snow?

Otter-Squatch Wheat Ale

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A light wheat ale is an American homebrew classic, but it has been awhile since I last made this style. I threw together a simple recipe, which is upside-down from my usual blend of 60/40 wheat/2-row. There was no particular reason for this, other than it just seemed like the thing to do. I had a hop variety on-hand called Sasquatch, and decided to use those up here. My preference on American wheat ales is a little fruity/citrusy yeast character, rather than super clean or super phenolic. Lutra kveik seemed like a perfect yeast choice along those lines; clean-ish, but not overly clean, and potential for some interesting flavors. “Lutra” is also the scientific name for a genus of otters; along with Sasquatch hops, I ended up calling this batch “Otter-Squatch Wheat Ale.”

Otter-Squatch Wheat Ale

  • 6 lb. 2-row malt (Great Western)
  • 4 lb. white wheat malt (Briess)
  • 4 oz. rice hulls
  • 0.5 tsp. BrewTanB, added to mash
  • 1 oz. Sasquatch hop pellets (7.5% alpha), 20 minute boil
  • 0.5 tsp. BrewTanB, 10 minute boil
  • 1 oz. Sasquatch hop pellets (7.5% alpha), 5 minute boil
  • 1 pkg. Lutra kveik (Omega OYL-071), dry

Target Parameters

  • 1.046 s.g., 1.009 f.g., 23 IBU, 4 SRM, 4.9% abv
  • Full volume mash, 60 minute mash at 152°, 10 minute mash-out at 168°
  • RO water with added minerals to hit target of 78 ppm Ca, 86 ppm SO4, 74 ppm Cl, -55 ppm RA

Procedure

  • I started with 7.3 gallons of RO water, adding 4.25 g of calcium chloride and 4.25 g of gypsum to hit my target water profile. Then, I heated the water to 157° before adding the grains, to hit a mash temperature of 152°.
  • I held the mash with recirculation at 152° for 60 minutes, before raising the mash to 168° for 10 minutes.
  • At the end of the mash, I removed the grains and heated to a boil. In total, I collected 6.6 gallons of runnings with a gravity of 1.039, for 69% mash efficiency.
  • I heated the runnings to a boil, boiling for 60 minutes and adding hops per the recipe. After 60 minutes, I turned off the heat and chilled 85° before transferring the beer to the fermenter and pitching the yeast.
  • Starting gravity was 1.044, and I brewed the beer on 28 February 2025. I fermented the beer at room temperature ambient, between 60 and 65°.
  • I kegged the beer on 24 March 2025. Final gravity was 1.009, for 4.6% abv. I added 3.25 oz. of corn sugar to get some natural carbonation and scrub any oxygen from the transfer process. At the time of kegging, the beer had a very mild flavor and was quite drinkable! I finished up things with a bit of force carbonation, after the beer sat for a few weeks.

Tasting

  • Appearance
    • Lightly hazy, light yellow beer, which pours with a creamy and long-lasting white head.
  • Aroma
    • Doughy and tart, lemony aroma, at a moderate level of each.
  • Flavor
    • Moderate doughy malt character, light tartness to yeast and a very slight phenolic note (peppery, perhaps?). The latter is almost imperceptible; I can’t quite describe it. Medium-low bitterness.
  • Mouthfeel
    • Light bodied, moderately high carbonation, slightly dry finish. Crisp!
  • Would I Brew This Again?
    • This is a tasty beer! It defies styles a little bit; it’s probably closest to an American wheat ale, but not quite on target. It’s very drinkable! The kveik flavors probably aren’t for everyone, but work well in this particular batch.
  • Overall
    • 9/10