Use this calculator to determine the amount of chlorine required for different water disinfection needs:

• Preparing a 1% chlorine solution
• Treating batches of drinking water (using the Modified Horrock Test for accurate dosing)
• Disinfecting hand-dug wells and boreholes
• Shock chlorination of storage tanks and tankers (recommended for new tanks or microbial contamination)

This online calculator can be accessed from any device and ensures precise chlorine dosing for various applications.

Before using the calculator, please read the instructions.