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Salt Addition Chart:
To use this chart:
1 Find current salt level (ppm or g/l) in the left column.
2. Find pool/spa volume in the second row (Gallons or Liters).
3. Find the amount of salt needed to bring pool to the ideal level by finding the intersection of the
row and column.
For volumes other than what is shown, use combinations of various columns.
Example:
An 11,000 gallon pool with a salt level of 500-ppm
• The column value for 1000 gallons is 21 pounds
• The column value for 10,000 gallons is 209 pounds.
• The total of 230 pounds of salt is needed to reach pool salt level of 3000-ppm.
The salt is constantly recycled during normal operation. Loss of salt during a swimming season should
be minimal. Filter backwashing, draining due to rain water overflow, splashing and bathing suit drag out,
and leaks (excessive salt loss in a short span of time) are typical ways salt is lost. Salt does not leave
the pool when water evaporates.
Current
level of
1,000
salt ppm
(mg/l)
(3,786)
0
25
(11)
250
23
(0.25)
(10)
500
21
(0.50)
(9)
750
19
(0.75)
(9)
1,000
17
(1.0)
(8)
1,250
15
(1.25)
(7)
1,500
13
(1.5)
(6)
1,750
10
(1.75)
(5)
2,000
8
(2.0)
(4)
2,250
6
(2.25)
(3)
2,500
4
(2.5)
(2)
3,000
(3.0)
3,500
(3.5)
35,000
REFERENCE SECTION
Standard Pool Salt
Pounds(kilograms) of Salt needed to attain 3000 ppm (mg/l)
Pool/Spa Volume in Gallons (Liters)
2,500
5,000
(9,465)
(18,930)
63
125
(28)
(57)
57
115
(26)
(52)
52
104
(24)
(47)
47
94
(21)
(43)
42
83
(19)
(38)
37
73
(17)
(33)
31
63
(14)
(28)
26
52
(12)
(24)
21
42
(9)
(19)
16
31
(7)
(14)
10
21
(5)
(9)
OK for Pool Pilot Operation - (salt water would need to be diluted to lower salt level)
7,500
10,000
12,500
(28,395)
(37,860)
(47,325)
188
250
(85)
(114)
(142)
172
230
(78)
(104)
(130)
157
209
(71)
(95)
(118)
141
188
(64)
(85)
(106)
125
167
(57)
(76)
110
146
(50)
(66)
94
125
(43)
(57)
78
104
(35)
(47)
63
83
(28)
(38)
47
63
(21)
(28)
31
42
(14)
(19)
Ideal
OK
15,000
17,500
(56,790)
(66,255)
313
376
438
(170)
(199)
287
344
402
(156)
(182)
261
313
365
(142)
(166)
235
282
329
(128)
(149)
209
250
292
(95)
(114)
(133)
183
219
256
(83)
(99)
(116)
157
188
219
(71)
(85)
(99)
130
157
183
(59)
(71)
(83)
104
125
146
(47)
(57)
(66)
78
94
110
(35)
(43)
(50)
52
63
73
(24)
(28)
(33)
20,000
(75,720)
501
(227)
459
(208)
417
(189)
376
(170)
334
(151)
292
(133)
250
(114)
209
(95)
167
(76)
125
(57)
83
(38)
17
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