Description
WLP820 Oktoberfest/Märzen Lager Yeast – PurePitch Next Generation 70 ml
WLP820 Oktoberfest/Märzen Lager Yeast from White Labs is a liquid lager yeast for malty lagers. Residual sweetness brings out the malt character and gives a balanced finish, and the beer is less dry than with WLP830. The yeast suits lagers across a wide gravity range, including bock, doppelbock, Märzen, Oktoberfest and American lager.
Please note: This product is only available in Norway.
The first generation of this strain can be slow. White Labs therefore recommends a larger culture, or planning for longer fermentation and conditioning times.
Technical data
- Attenuation: 65–73%
- Flocculation: medium
- Alcohol tolerance: medium (5–10%)
- Ideal fermentation temperature: 11–14 °C
- Best before: 05.05.2026
PurePitch Next Generation
PurePitch Next Generation contains twice as much yeast in a convenient 70 ml pack. It pitches 7.5 million cells per ml and is recommended for 20 litres of standard ale with an OG below 1.074 and a fermentation temperature above 16 °C. Just twist off the top and pour the yeast straight into the wort.
Frequently asked questions about WLP820 Oktoberfest/Märzen Lager Yeast
What temperature should WLP820 ferment at?
The ideal fermentation temperature is 11–14 °C.
Is one pack enough for 20 litres of lager?
The PurePitch recommendation of 20 litres applies to standard ale above 16 °C. Lager yeast needs almost twice as many cells, and White Labs recommends a larger culture for WLP820. Use several packs or a yeast starter for lager.
What is the difference between WLP820 and WLP830?
WLP820 gives a less dry, maltier beer than WLP830, and it works more slowly.
Which beers is WLP820 suited for?
Malty lagers such as Märzen, Oktoberfest, bock and doppelbock, as well as American lager.
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