While many bacteria don't like acid mediums, some do. (doggedblog.com)
I rinse it well.I always have soaks my grain with acid medium so I'm hoping it not going to hinder it. (nutriplanet.org)
Fermentation creates a slightly acid medium, which increases the ability of phytases already present in the grain to reduce phytate content by catalyzing the conversion of phytate to inorganic phosphate, thus releasing bound minerals (3, 4). (blog.realfood-realhealth.com)