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Product Discription

Chlorination is one of the widely used methods for water disinfection. However, Chlorination may not be effective in bacterial disinfection if it is not applied in correct dose.

Therefore FRC should be measured to check if the added chlorine is sufficient or not. World health Organization recommends free residual chlorine level of 0.2 – 0.5 mg/L.


  • Easy-to-use; requires only a simple orientation
  • Gives result immediately
  • Low cost technology
  • One kit can test 400 samples