“It worked OK, but there were a few things to be addressed.”
In the course of their research the team began to wonder if scoby could be used reduce E coli in effluent since it could reduce the pH of a brew so that it was quite acidic. E Coli does not do well in acidic environments, Laruenson said.
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AgResearch scientists have discovered that scoby (symbiotic culture of bacteria and yeast), which is used in the fermentation of kombucha, is effective in reducing E coli to undetectable levels dairy effluent.
The bacteria can pose a significant risk to people and livestock if consumed and is an indicator that other faecal microbes like campylobacter might be present and is easy to measure.