Lactobacillus and Pediococcus are the two most common beer spoilers, so if you’re just getting into micro testing in your brewery, it’s a good one to start with. Hsu Lactobacillus Pediococcus is a selective media that supports the growth of Lactobacillus and Pediococcus. Let’s back up a bit before I get too far ahead of myself. What I mean by “read micro” is that I look at the HLP ( Hsu Lactobacillus Pediococcus) tubes I have incubating and see if anything has grown. After I go through the schedule, plan out my day, and determine what samples I need to collect, I read micro. Last month we talked about deciding what samples need to be collected for the day.
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