With options available globally for use in biofouling control, anaerobic microbial control, and fluid preservation, the comprehensive AQUCAR™ Water Treatment Microbiocides portfolio includes key chemistries (link to chemistries) such as glutaraldehyde, glut/quat blends, DBNPA, bronopol, OPP and dimethyl-oxazolidine.

AQUCAR™ DB 20 Water Treatment Microbiocide

AQUCAR™ DB 20 Water Treatment Microbiocide offers extremely fast and effective antimicrobial action. AQUCAR™ DB 20 microbiocide provides broad-spectrum control of bacteria, fungi, yeast, cyanobacteria (blue-green algae) and true algae. The product contains 20% DBNPA (2,2-dibromo-3-nitrilopropionamide) and has a low environmental impact.

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Used In:

  • Recirculating water cooling towers
  • Pulp, paper and paperboard mills
  • Industrial air washer systems
  • Oilfield water


  •  Compatible with all types of water treatment applications
  •  Works well as part of a comprehensive treatment program
  •  Can be used as a “knockdown” biocide treatment
  •  Effective at alkaline pH
  •  Rapid degradation to relatively non-toxic end products
  •  Proven efficacy at low concentrations
  •  Non-oxidizing and formaldehyde-free

Typical Properties

Footnote:   Please Note That Not All Products Are Registered In All Regions For All Applications. Please Contact Your Local Dow Representative For Detailed Technical Information Applicable To Your Individual Situation.; Use Biocides Safely. Always Read The Label And Product Information Before Use.


  • Asia Pacific
  • Europe
  • Latin America
  • North America