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Pool and Spa

7 reasons why sodium bisulfate is a better choice than hydorchloric acid.


Lowering pH with Sodium Bisulfate

Pounds of Sodium bisulfate (SBS) to lower pH

Gallons in Pool
pH
1,000
5,000
10,000
15,000
20,000
25,000
50,000
100,000
7.6 - 7.8
0.10
0.50
1.00
1.50
2.00
2.70
5.30
10.6
7.8 - 8.0
0.12
0.66
1.33
2.00
2.70
3.30
6.60
13.3
8.0 - 8.4
0.21
1.00
1.99
3.30
4.00
5.30
10.6
21.2
Over 8.4
0.25
1.33
2.66
4.00
5.30
6.60
13.3
26.6

 
Approximate Cups of Sodium Bisulfate (SBS) to lower pH

Gallons in Pool
pH
1,000
5,000
10,000
15,000
20,000
25,000
50,000
100,000
7.6 - 7.8
0.50 oz.
1/3 cup
2/3 cup
1.50
1.40
1.80
3.60
7.20
7.8 - 8.0
0.70 oz.
1/2 cup
0.90
2.00
1.80
2.30
4.50
9.00
8.0 - 8.4
1.00 oz.
2/3 cup
1.40
3.30
2.70
3.60
7.20
14.4
Over 8.4
1.40 oz.
0.90
1.80
4.00
3.60
4.50
9.00
18.1

 

 

 

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