Across
- 3. measure of water’s ability to resist pH change
- 4. continuous movement of pool water through pumps, pipes and treatment equipment
- 5. a measure of how acidic or basic the pool water is
- 6. cloudiness of water caused by tiny particles
- 8. process where water passes through media to remove suspended solids
- 9. disease-causing microorganism that can be present in untreated pool water
Down
- 1. disinfection step where chlorine is added to pool water to kill pathogens
- 2. cleaning process where water is reversed through the filter to remove trapped debris
- 7. aquatic plant-like organisms that can grow on pool surfaces when sanitation is poor