Chlorine content in tablets can vary depending on the manufacturer and specific product. However, here are some general ranges of chlorine content you may find in different types of chlorine tablets:

1. Regular Chlorine Tablets: These typically contain between 50% to 70% available chlorine.

2. High-Concentration Chlorine Tablets: These may have higher chlorine content, ranging from 85% to 90% available chlorine.

3. Sustained Release Chlorine Tablets: These tablets are designed to dissolve slowly and continuously release chlorine over a longer period. They usually have a chlorine content between 65% and 70%.

4.Trichloroisocyanuric Acid (TCCA) Tablets: TCCA tablets are a commonly used type of chlorine tablet that contains around 90% available chlorine.

5. Lithium Hypochlorite Tablets: These tablets are more stable than regular chlorine tablets and dissolve slowly, releasing chlorine gradually. They may contain around 55% to 75% available chlorine.

It's important to note that chlorine tablets come in various sizes, and the amount of available chlorine per tablet can also vary. Always refer to the product label or manufacturer's instructions for specific information on chlorine content and proper usage.