White Labs PurePitch - WLP661 Pediococcus Damnosus


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Beer Brewing Classes



White Labs PurePitch WLP618 NA All Day: Perfect for use in any sour program, this is a cocci bacteria known for its souring capabilities through the production of lactic acid. It is a high diacetyl producer and slow growing, so its suggested to use in a mixed culture.

Recommended For: Flanders Red Ale, Lambic & Wild Specialty Beer

Attenuation: N/A

Flocculation: Low

Optimum Fermentation Temp: 70 - 75F (21 - 24C)

Alcohol Tolerance: Varies

STA1 QC Result: N/A

Concerned about shipping? Don`t be! We ship all of our liquid yeast with ice packs during the warmer months.


White Labs NEW PurePitch has improved shelf life through process improvements and laboratory analysis, White Labs monitor the glycogen content of the yeast cells to give them more energy when starting a fermentation.

Each PurePitch package pitches a consistent 7.5 million cells/mL.

PurePitch Next Generation features a breathable proprietary dual-layer film designed to allow for more effective off-gassing to reduce product inflation and deliver higher viability and shelf life for the yeast. While the industry standard shelf life is 2-4 weeks, PurePitch Next Generation achieves an impressive five to seven-month shelf life. The cap allows for ease of use, no more scissors or fumbling with two-layer film, and the option to open and reseal for sampling or using partial pouches.

A QR code on each package directs you to all the information you need to make the best beer: the quality report of every lot, additional strain-specific information, data, and recipes. ?White Labs is the industry leader in quality with the same quality and care taken for every culture, including proprietary qPCR methods (developed with Invisible Sentinel) for higher limits of detection. The online pitch rate calculator will recommend the right amount of yeast for a foolproof fermentation or allow you to customize the amount based on your desired pitching rate.

Additional Info

Additional Info

Yeast Brand White Labs
Alcohol Tolerance N/A
Flocculation N/A
Attenuation N/A
Super Saver Shipping Yes
Free Shipping Yes


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