RoClean™ L403 - Avista Membrane Treatment Solutions
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RoClean L403

RoClean L403 liquid is a multicomponent, low pH cleaner formulated to remove severe calcium carbonate scaling and moderate metal fouling and metal-organic complexes. RoClean L403 is the premium product for systems operating on seawater, brackish water, or wastewater. RoClean L403 is a highly effective foulant remover but gentle enough for daily application if required. RoClean L403 is NSF approved.

Performance Benefits

  • A specialized blend of buffers and chelants to dissolve metal deposits.
  • Effective low pH cleaner for scale removal and 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 Data Sheet
Download Product Information Sheet – RoClean L403
Safety Data Sheet

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