Putting this post in for a friend:
He has a IG Vinyl pool, 18K, Sand Filter, 1hp pump
Here are the readings last night:
Last week he went on vacation and when he got back he had green algae. When he got back he noticed the pump was clogged with leaves and cleaned the pump, and filter out. The water started moving again. Then he added 5 to 7 gal of bleach and 7 lbs of CYA because his CYA at the time was about 20ppm. He also added about 2 gals of algicide.
The problem now is it seems the algae is dead (overnight FC test) but the pool is brown. What can he try out to clear up the water?