← The Dosing Bench3.133.13 m³/month
Chlorine / hypochlorite dosing
Demand + residual → litres/day of sodium hypochlorite.
Sodium hypochlorite 12%
- Cl₂ dose
- 2.5 mg/L
- Cl₂ required
- 12.5 kg/day
- Available chlorine
- 120 g/L
- Hypochlorite volume
- 104.17 L/day
Method
Dose = demand + residual ; V = M_Cl₂ × 1000 / (%avail × 10)
Reference: White's Handbook of Chlorination; Metcalf & Eddy; WHO.
Chlorine demand must be measured for your water. Hypochlorite loses strength in storage — dose to the measured current available chlorine, not the label. Contact time (CT) is a separate design check.
Estimated use: about 3.13 m³/month of ChimiArt Sodium Hypochlorite 12% (dose 2.5 mg/L Cl₂, flow 5000 m³/day).
Want to confirm this on your actual water? We can run a free jar test or send the grade's spec sheet.