Gladfield Big O | Oat Malt


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Size: 1KG


Gladfield Big O - Oat Malt perfect for brewing Hazy beers, Belgian Witbier and adding complexity, mouthfeel and nuttiness to stouts, porters and ales.

Gladfield Big O - Oat Malt have rich flavour – kilned to enhance nutty, oaty flavours and bring more to the brewer than steamed flaked rolled Oats.

The Big O will bring the same silky smoothness to a beer that a rolled oat will and will provide a better haze than rolled oats alone in your IPAs.

Specially developed to boast the ideal combination of high turbidity, rich Oat taste and easy of lautering, the Big O has a few great attributes that make it a preferred Oat Malt for Stouts and Hazy beers. The Big O large, thick husk which greatly aids sparging and run-off.


Packaging Options:

  • 1 Kg Bag
  • 5 Kg Bag (SAVE 20% OFF 1 Kg Price)
  • 25 Kg Sack (SAVE 28% OFF 1 Kg Price)

Certificate of Analysis

Brewing Notes:

  • The oats and husk will absorb more water so be prepared to increase the amount of your strike water.
  • Mix the oats with the barley during milling to help deliver an even crush.

Typical Beer Styles:

  • Belgian Witbier
  • Hazy IPA
  • Hazy Pale Ales
  • Porters
  • Stouts

Typical Usage Rates:

  • Up to 20%


EBC Test Method Typical Analysis
Moisture (max) % 1.22
Extract – Fine Dry min% 59.83
Extract - Coarse Dry 56.66
Extract - Fine As-is 59.10
Extract - Coarse As-is 55.97
Saccharification time <10
Odour normal
Wort Colour 4.38
Total Nitrogen (%) 1.72
Kolbach Index 30.08
pH 5.97
FAN (mg/l)min 125.61
Friability (min)% 97.16
Glassy Corns (max)% 0.21
P.U.G. (max)% 0.25