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Relative CO2 Out-Of-Equilibrium at Various Levels of pH and Alkalinity |
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30 CYA, 550 TDS, 300 CH, 80oF |
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<--------------------------------------------------------------
pH -------------------------------------------------------------------> |
Total Alk. |
7.0 |
7.1 |
7.2 |
7.3 |
7.4 |
7.5 |
7.6 |
7.7 |
7.8 |
7.9 |
8.0 |
40 |
10.9 |
8.2 |
6.2 |
4.6 |
3.4 |
2.4 |
1.7 |
1.1 |
0.7 |
0.3 |
0.0 |
50 |
14.5 |
11.1 |
8.5 |
6.4 |
4.8 |
3.6 |
2.6 |
1.8 |
1.2 |
0.7 |
0.4 |
60 |
18.2 |
14.0 |
10.8 |
8.3 |
6.3 |
4.7 |
3.5 |
2.5 |
1.8 |
1.2 |
0.7 |
70 |
21.8 |
16.9 |
13.1 |
10.1 |
7.7 |
5.9 |
4.4 |
3.3 |
2.3 |
1.6 |
1.1 |
80 |
25.4 |
19.8 |
15.4 |
11.9 |
9.2 |
7.0 |
5.3 |
4.0 |
2.9 |
2.1 |
1.4 |
90 |
29.1 |
22.7 |
17.7 |
13.7 |
10.6 |
8.2 |
6.2 |
4.7 |
3.5 |
2.5 |
1.8 |
100 |
32.8 |
25.6 |
20.0 |
15.6 |
12.1 |
9.3 |
7.1 |
5.4 |
4.1 |
3.0 |
2.1 |
110 |
36.4 |
28.5 |
22.3 |
17.4 |
13.5 |
10.5 |
8.0 |
6.1 |
4.6 |
3.4 |
2.5 |
120 |
40.0 |
31.4 |
24.6 |
19.2 |
15.0 |
11.6 |
8.9 |
6.8 |
5.2 |
3.9 |
2.8 |
130 |
43.6 |
34.3 |
26.9 |
21.0 |
16.4 |
12.7 |
9.8 |
7.6 |
5.8 |
4.3 |
3.2 |
140 |
47.2 |
37.1 |
29.1 |
22.8 |
17.8 |
13.9 |
10.7 |
8.3 |
6.3 |
4.8 |
3.5 |
150 |
50.8 |
40.0 |
31.4 |
24.6 |
19.3 |
15.0 |
11.6 |
9.0 |
6.9 |
5.2 |
3.9 |
175 |
59.8 |
47.1 |
37.1 |
29.1 |
22.8 |
17.8 |
13.9 |
10.8 |
8.3 |
6.3 |
4.8 |
200 |
68.8 |
54.2 |
42.7 |
33.6 |
26.4 |
20.7 |
16.1 |
12.5 |
9.7 |
7.4 |
5.6 |
250 |
86.6 |
68.4 |
54.0 |
42.5 |
33.5 |
26.3 |
20.6 |
16.0 |
12.5 |
9.6 |
7.4 |
300 |
104.4 |
82.5 |
65.2 |
51.4 |
40.5 |
31.9 |
25.0 |
19.6 |
15.2 |
11.8 |
9.1 |
400 |
139.6 |
110.5 |
87.4 |
69.1 |
54.5 |
43.0 |
33.8 |
26.5 |
20.8 |
16.2 |
12.5 |
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NOTE: A value of 0.0 means there is an equalibrium
amount of carbon dioxide in the water and in the air so there is no Carbon
Dioxide outgassing. |
A value of 1.0 means there is twice as much Carbon
Dioxide in the water compared to the equilibrium amount. |
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A value of 2.0 means there is three times as much
Carbon Dioxide in the water compared to the equilibrium amount. |
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