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Type of Salt to Use
It is important to use only sodium chloride (NaCl) salt that is greater than 99.0% pure. This can be found at most pool
stores in 40-80 lb. bags labeled "for use in swimming pools". Alternatively, use common food quality or water softener
salt that is at least 99.0% pure. It is also acceptable to use water conditioning salt pellets, however, it will take longer
for them to dissolve. Do not use rock salt, or salt with more than 1% of yellow prussiate of soda, salt with anti-caking
additives, or iodized salt.
How to Add Salt
For new plaster pools, wait 10-14 days before adding salt to allow the plaster to cure. Turn the circulating pump on
and add salt directly into the pool. Brush the salt around to speed up the dissolving process—do not allow salt to pile
up on the bottom of the pool. Run the filter pump for 24 hours with the suction coming from the main drain (use pool
vacuum if there is no main drain) to allow the salt to evenly disperse throughout the pool. The salt display may take 24
hours to respond to the change in salt concentration.
Always check stabilizer (cyanuric acid), when checking salt. These levels will most likely decline together. Use the
chart below to determine how much stabilizer must be added to raise the level to 30 ppm.
Current
8,000
10,000
12,000
Stabilizer
(37500)
(30000)
(45000)
Level (ppm)
2.0
2.5
3.0
0 ppm
(.9)
(1.1)
(1.3)
1.8
2.2
2.6
10 ppm
(.8)
(1.0)
(1.2
1.5
2.3
20 ppm
(.7)
(1.0)
Pool Sizing Formula
Gallons
(pool size in feet)
Length x Width x
Average Depth x 7.5
Diameter x Diameter x
Average Depth x 5.9
Length x Width x
Average Depth x 6.7
POUNDS and (Kg) OF STABILIZER (CYANURIC ACID) NEEDED FOR 30 PPM
Gallons and (Liters) of Pool/Spa water
14,000
16,000
18,000
20,000
(52500)
(60000)
(67500)
(75000)
3.5
4.0
4.5
5.0
(1.5)
(1.8)
(2.0)
(2.2)
3.0
3.4
3.8
4.3
)
(1.3)
(1.5)
(1.7)
(2.0)
2.6
3.0
3.3
3.8
(1.2)
(1.4)
(1.5)
(1.7)
(pool size in meters)
Length x Width x
Average Depth x 1000
Diameter x Diameter x
Average Depth x 785
Length x Width x
Average Depth x 893
22,000
24,000
26,000
28,000
(82500)
(90000)
(97500)
(105000)
5.5
6.0
7.0
(2.4)
(2.7)
(3.1)
4.8
5.3
5.7
6.1
(2.2)
(2.4)
(2.6)
(2.8)
4.1
4.5
4.9
5.3
(1.8)
(2.0)
(2.2)
(2.4)
4
Liters
30,000
32,000
34,000
36,000
(112500)
(120000)
(127500)
(135000)
7.5
8.0
8.5
(3.3)
(3.6)
(3.8)
6.5
6.9
7.3
7.7
(2.9)
(3.1)
(3.3)
(3.5)
5.6
6.0
6.8
(2.5)
(2.7)
(3.1)
38,000
40,000
(142500)
(150000)
9.5
10.0
(4.3)
(4.5)
8.2
8.7
(3.7)
(4.0)
7.2
7.5
(3.3)
(3.4)
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