About a week ago, I did the following:
Brushed the walls and added
- 4 lbs of Chlorox Cyanuric Acid powder,
- 6 gallons of liquid Chlorine,
- 2 gallons of 14.5% muriatic acid.
Water has been clear but I tested today and there is no Chlorine left in the pool (also no FC). The CYA is now at about...