Flocculants are agents used to clarify cloudy pool water by binding tiny particles together

https://astro-wiki.win/index.php/How_to_Combat_Hard_Water_Issues_with_Proper_Chemicals%E2%80%94A_Guide_for_Manitoba_Residents

Flocculants are agents used to clarify cloudy pool water by binding tiny particles together, making them easier to filter out. This chemical treatment enhances visibility and overall water quality for a more enjoyable swimming experience.