1. Buy a test kit that will test for FC, CC, pH, Alk, and CYA.....then keep reading everything you can on this forum...particularly the stickys

2. Yes

3. Ignored

4. Buy it....they'll get more.

5. "bleachcalc"....downloaded from posts by mwsmith2 on this forum

6. No

7. 3-5 seconds...seriously

8. No

9. You cant

10. Usually, a very green, algae-laden pool