Captor_TechSheet - Tessenderlo Kerley

Dosage Rates for Dechlorination
Gallons of Captor Per Million Gallons of Water
Parts per Million Chlorine
pH 1 2 3 4 5 6 7 8 9 10
6.5 5.4 10.9 16.3 21.7 27.1 32.5 37.9 43.4 48.8 54.2
6.8 5.3 10.5 15.8 21.0 26.3 31.5 36.8 42.0 47.1 52.5
7.0 5.1 10.3 15.4 20.6 25.7 30.8 36.0 41.1 46.2 51.4
7.2 5.0 10.0 15.1 20.1 25.1 30.1 35.2 40.2 45.2 50.2
7.4 4.9 9.8 14.7 19.6 24.5 29.4 34.3 39.2 44.2 49.1
7.6 4.8 9.6 14.4 19.2 24.0 28.7 33.5 38.3 43.1 47.9
7.8 4.7 9.3 14.0 18.7 23.4 28.0 32.7 37.4 42.1 46.7
8.0 4.6 9.1 13.7 18.2 22.8 27.3 31.9 36.5 41.0 45.6
8.5 4.3 8.4 12.8 17.1 21.3 25.6 29.9 34.1 38.4 42.7
9.0 4.0 8.0 11.9 15.9 19.9 23.9 27.8 31.8 35.8 39.8
9.5 3.7 7.4 11.1 14.8 18.4 22.1 25.8 29.5 33.2 36.9
10.0 3.4 6.8 10.2 13.6 17.0 20.4 23.8 27.2 30.6 34.0
Dosage Rates for Ozone Quenching
Gallons Per Minute (GPM) of Captor to Use
Treated Water
Ozone Residual – ppm
Flow In GPM 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
100,000 0.03 0.05 0.08 0.11 0.13 0.16 0.19 0.21 0.24 0.26
200,000 0.05 0.11 0.16 0.21 0.26 0.32 0.37 0.42 0.48 0.53
300,000 0.08 0.16 0.24 0.32 0.40 0.48 0.56 0.64 0.71 0.79
500,000 0.13 0.26 0.40 0.53 0.66 0.79 0.93 1.06 1.19 1.32
1,000,000 0.26 0.53 0.79 1.06 1.32 1.59 1.85 2.12 2.38 2.65
These rates are approximate and may be affected by factors such as temperature, reaction time
and dissolved compounds in water which may react with Captor.