Rotten Egg or Septic Odour

What this symptom may mean

Hydrogen sulphide, sulphur bacteria, anaerobic zones or decaying organic matter may produce odour.

Information and testing priorities

Responsible treatment pathway

Urgency

Potentially hazardous in confined or high-gas conditions.

What to send Puroxi

Important technical notice

Possible causes are not a diagnosis. Do not use this page to declare water safe, prescribe a chemical dose or delay emergency, health, veterinary or regulatory action. Testing and site-specific review are required.