PIKA FastOrange® Wild Yeast Ready to use Tubes – 24 PackBrewery Microbial Testing Rapid detection of beer spoilage organisms no prep required. Target wild yeasts like Saccharomyces diastaticus with confidence. PIKA FastOrange Wild Yeast Tubes are designed for the specific detection of beer spoiling wild yeasts, including Saccharomyces diastaticus and Brettanomyces. These spoilage yeasts pose serious risks to packaged beer quality, causing over carbonation, gushing, and off flavors. The media is formulated