Changes

PBW is a replacement for caustic and is much safer to use and dispose of. It is non-corrosive and safe to use on stainless steel and plastics. We are not aware of any studies that examine the efficacy of P.B.W. to remove biofilms, nor any other percarbonate-based <ref>[https://patents.google.com/patent/US5663132 "Non-caustic composition comprising peroxygen compound and metasilicate and cleaning methods for using same". US patent for PBW. 03/01/1995. Retrieved 04/19/2018.]</ref> cleaners efficacy in a brewing environment.