Do you have the OTO quick check test...what does it read? And did you try diluting the sample? How old are your reagents? If your tap water is chlorinated you should get a low FC reading...if so, have you tested your tap water?
If my calculations are correct you have added > 55 ppm of bleach to your pool!
If my calculations are correct you have added > 55 ppm of bleach to your pool!