Evoqua United States - Canada - EN

BIOXIDE® Calcium Nitrate Solution

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A safe, natural solution for the elimination of odor and corrosion

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Discontinued product

A safe, natural solution for the elimination of odor and corrosion

Discontinued product
BIOXIDE® Calcium Nitrate Solution


Evoqua's BIOXIDE® Calcium Nitrate Solution eliminates the odor, corrosion, and safety problems associated with hydrogen sulfide by achieving sewage odor control naturally.  This unique, proven product also treats other common sewage odors, including odorous sulfur compounds such as mercaptans and organic sulfides.

BIOXIDE solution not only removes hydrogen sulfide, but also prevents its formation, for consistent effective treatment.

Comprehensive Odor Control Solutions

Evoqua offers the VersaDose® Automated Dosing Controller and Link2Site® Remote Monitoring Application. The VersaDose®​ Automated Dosing Controller​ and Link2Site® Remote Monitoring by Evoqua Water Technologies uniquely deliver operators the real-time visibility and control for consistent, effective odor and corrosion control.



  • Contains no hazardous substances - calcium nitrate is the only leading method of treatment for dissolved hydrogen sulfide which is not on the EPA CERCLA list of hazardous substances
  • Efficient removal process - reacts immediately with dissolved sulfides and prevents downstream formation of new sulfidesTreats other sulfur compounds - including mercaptans and organic sulfides
  • Prevents corrosion - by effectively eliminating dissolved hydrogen sulfide, which leads to the formation of sulfuric acid


  • Wastewater collection systems
  • Wastewater treatment plants
  • Sludge processing
  • Biosolids storage


Five different blends designed to optimize performance under different control objectives:

  • Bioxide® Solution
  • Bioxide® Plus 71 Solution
  • Bioxide-AE® Solution
  • Bioxide-AQ®
  • Bioxide-SB® Solution