What keeps ducks out of a pool?

Related questions

1. Why do ducks love water?
2. When can I let my ducklings swim?
3. Do ducks poop in water?
4. Are ducks a good pet?
5. Can ducklings survive without their mother?
6. Do ducks pair for life?
7. How long can ducklings stay in water?
8. Do ducks go in at night?
9. Do ducks need shelter?
10. Do ducklings need a heat lamp at night?

Tags

1. #chlor
2. #water
3. #chemical
4. #putting
5. #however
6. #makes
7. #unnecessary
8. #surface
9. #float
10. #called
11. #successfully
12. #company
13. #ducks
14. #breaks
15. #tension
16. #chemicals
17. #cannot