pH Control with Acid or Caustic Injection - Calculates the acid or caustic concentration required for a given change in pH using the concentration of alkalinity.
Chlorine Removal with a Reducing Agent - Calculates the reducing agent concentration for sodium bisulfite, metabisulfite, or sodium sulfite required to break down a given chlorine or chloramine concentration.
Oxidation of Dissolved Iron/Manganese/H2S - Calculates the concentration of free chlorine or potassium permanganate required to oxidize a given metal concentration.