Ben's Best Guess CYA Chart with FC and Computed HOCl | ||||||
at 550 TDS, 80¼F | ||||||
CYA | Min FC | Max FC | Shock FC | Min HOCl | Max HOCl | Shock HOCl |
0 | 1 | 3 | 10 | 0.48 | 1.45 | 4.84 |
10 | 2 | 5 | 12 | 0.09 | 0.37 | 2.06 |
20 | 2 | 5 | 12 | 0.04 | 0.13 | 0.63 |
30 | 3 | 6 | 15 | 0.04 | 0.10 | 0.46 |
50 | 3 | 6 | 15 | 0.02 | 0.05 | 0.19 |
60 | 5 | 10 | 20 | 0.04 | 0.08 | 0.22 |
90 | 5 | 10 | 20 | 0.02 | 0.05 | 0.12 |
100 | 8 | 15 | 25 | 0.03 | 0.07 | 0.14 |
200 | 8 | 15 | 25 | 0.02 | 0.03 | 0.06 |
Rough Avg. | 0.03 | 0.07 | 0.30 | |||
Recommend HOCl 0.05 minimum to prevent algae; 0.30 to shock green algae; 1.0 to shock yellow/mustard algae |