RoClean™ P111, RO Membrane Cleaning Chemical - Avista™
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RoClean P111

RoClean P111 powder is a multicomponent, high pH buffered cleaner formulated to remove severe biofouling including polysaccharides, severe colloidal fouling, and moderate humic/fulvic acid fouling. Where powder is preferred, RoClean P111 is successfully applied to systems operating on seawater, brackish water, or wastewater. RoClean P111 is certified by NSF International under NSF/ANSI Standard 60 for off-line use in drinking water systems.

Performance Benefits

  • A specialized blend of proprietary buffers to dissolve organic foulants and disperse colloidal particles.
  • Highly buffered to resist pH changes during the cleaning process.
  • Compatible with polyamide membranes from all membrane manufacturers.
  • Suitable for use with other Avista cleaners.


Product packaging and labels may vary. These images represent packaging and labels for products manufactured and fulfilled by Avista Technologies Inc. in the United States.

Product Data Sheet
Download Product Information Sheet – RoClean P111
Safety Data Sheet

If you would like to request a Membrane Cleaner Material Safety Data Sheet, please email Avista Compliance and Regulatory at, call your regional distributor, or click to submit your request.