Stabilizer correction field outcome
CYA moved from 30 to 50 ppm while total alkalinity held at 100 ppm
A 2-pound cyanuric-acid treatment moved CYA from 30 to 50 ppm while the paired weekly plan moved pH from 8.0 to 7.6 and held total alkalinity at 100 ppm.
San Diego County, California · August 12 to August 19, 2026 (7 days)
- CYA
- 30 ppm50 ppm
- Total alkalinity
- 100 ppm100 ppm
- Free chlorine
- 4 ppm8 ppm
- pH
- 8.07.6
The situation
- Low stabilizer and high pH required coordinated correction without moving total alkalinity.
Starting readings
- CYA: 30 ppm
- Total alkalinity: 100 ppm
- Free chlorine: 4 ppm
- pH: 8.0
Treatment recorded
- 2 pounds cyanuric acid
- 1 US gallon of 12.5% liquid chlorine
- 0.25 US gallons of 31.45% muriatic acid
Follow-up readings
- CYA: 50 ppm
- Total alkalinity: 100 ppm
- Free chlorine: 8 ppm
- pH: 7.6