What to chlorinate a water fountain with?

To chlorinate a water fountain, you can use a granular or liquid chlorine product specifically designed for water treatment, such as calcium hypochlorite or sodium hypochlorite. It's important to follow the manufacturer's instructions for dosage based on the fountain's water volume. Additionally, ensure that the chlorine levels are safe for both human consumption and the fountain's materials. Regular testing of the water's chlorine levels will help maintain safe and clean water.