well after shocking the whole weekend i got most of it out ,but i cant get it all out of the bottom of the pool. I need a new plaster job and it's rooted in good in the bottom. i brushed all weekend. it's all gone on the side of the pool and in the tile grout around the top. I got it lightened up alot but cant get it to disappear on the bottom, I'm getting desperate cant keep dumping in bleach everyday might have to drain, wash, then repaint. any ideas?

my numbers are still good
cya 40
ta 120
ph lowered to 7.3
calcium h 320
chlorine is really high been dumping in 6 big bottels of chlorox ultra a day for three days also had some 1lb hypochlorite packs that i used the first day to get the chlorine up.