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Lowering pH using Dry Acid (Sodium Bisulfate)
(When pH is over 7.8, add the amount of acid indicated below, then retest)
Disminución de pH con ácido seco (bisulfato de sodio)
(Cuando el pH es superior a 7,8 agregue la cantidad de ácido indicada a continuación y repita la prueba)
pH
1,000 gal.
Level
0.1 lb.
7.8 - 8.0
0.2 lb.
8.0 - 8.4
0.3 lb.
Over 8.4
Aumento de la alcalinidad con bicarbonato de sodio
Increase in
Total Alkalin-
1,000 gal.
ity in ppm
2 1/2 oz.
10
4 3/4 oz.
20
50
Lowering Alkalinity With Dry Acid (Sodium Bisulfate)
Disminución de la alcalinidad con ácido seco (bisulfato de sodio)
Decrease in
Total Alkalin-
1,000 gal.
ity in ppm
2 1/2 oz.
10
20
12 3/4 oz.
50
*WARNING: Exercise extreme caution when handling chemicals.
• Do not add chemicals when swimmers are in the water.
• Never store acids and chlorine compounds next to each other.
• Never mix chemicals together; add chemicals to the water one at a time.
• Handle acid very carefully.
• Wear protective eyewear and keep material away from children.
• Always follow the chemical manufacturer' s directions.
5,000 gal.
3.8 kL
19 kL
0.3 lb.
45 g
136 g
0.5 lb.
91 g
227 g
0.8 lb.
136 g
363 g
Raising Alkalinity With Sodium Bicarbonate
5,000 gal.
3.8 kL
19 kL
12 oz.
62 g
340 g
1 1/2 lbs.
135 g
681 g
12 oz.
3 3/4 lbs.
340 g
1.7 kg
5,000 gal.
3.8 kL
19 kL
12 3/4 oz.
62 g
361 g
5 oz.
1 1/2 lbs.
142 g
681 g
4 lbs.
361 g
1.8 kg
Pool Volume
10,000 gal.
15,000 gal.
38 kL
0.6 lb.
272 g
1 lb.
1 1/2 lbs.
454 g
1 1/2 lbs.
681 g
Pool Volume
10,000 gal.
15,000 gal.
38 kL
1 1/2 lbs.
2 1/4 lbs.
681 g
3 lbs.
4 1/2 lbs.
1.4 kg
7 1/2 lbs.
11 1/4 lbs.
3.4 kg
Pool Volume
10,000 gal.
15,000 gal.
38 kL
1 1/2 lbs.
2 1/2 lbs.
681 g
3 1/4 lbs.
4 3/4 lbs.
1.5 kg
8 lbs.
3.6 kg
25,000 gal.
57 kL
95 kL
0.9 lb.
1 1/2 lbs.
408 g
681 g
2 1/2 lbs.
681 g
1.1 kg
2.3 lbs.
4 lbs.
1 kg
1.8 kg
25,000 gal.
57 kL
95 kL
3 3/4 lbs.
1 kg
1.7 kg
7 1/2 lbs.
2 kg
3.4 kg
18 3/4 lbs.
5 kg
8.5 kg
25,000 gal.
57 kL
95 kL
4 lbs.
1.1 kg
1.8 kg
8 lbs.
2.2 kg
3.6 kg
12 lbs.
20 3/4 lbs.
5.4 kg
9.4 kg
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