11
S A L I N I T Y D E M A N D T A B L E
( i n l b s . )
Salt level before addition in PPM
0 500 1000 1500 2000 2500 3000 3500 4500
How much sat to add – in pounds
4
117 100 83
67 50 33 17 0 OK
6
175 150 125 100 75 50 25 0 OK
8
234 200 167 133 100 67 33 0 OK
10 292 250 209 167 125 83 42 0 OK
12 350 300 250 200 150 100 50 0 OK
14 409 350 292 234 175 117 58 0 OK
16 467 400 334 267 200 133 67 0 OK
18 525 450 375 300 225 150 75 0 OK
20 584 500 417 334 250 167 83 0 OK
22 642 550 459 367 275 183 92 0 OK
24 701 600 500 400 300 200 100 0 OK
26 759 651 542 434 325 217 108 0 OK
28 817 701 584 467 350 234 117 0 OK
30 876 751 626 500 375 250 125 0 OK
32 934 801 667 534 400 267 133 0 OK
34 992 851 709 567 425 284 142 0 OK
36 1051 901 751 600 450 300 150 0 OK
38 1109 951 792 634 475 317 158 0 OK
40 1168
1001 834 667 500 334 167 0 OK
42 1226
1051 876 701 525 350 175 0 OK
44 1284
1101 917 734 550 367 183 0 OK
46 1343
1151 959 767 575 384 192 0 OK
48 1401
1201 1001 801 600 400 200 0 OK
Water volu
m
e in thousands of Galloons
50 1460
1251 1043 834 626 417 209 0 OK
Locate the current salt concentration at the top of the chart (e.g. 1000ppm). Then locate the size of your
pool on the left (e.g. 12,000 gallons). Run these figures down and across until they meet. That number is the
number of pounds of salt required for your pool.
CALCULATING THE SIZE OF THE POOL
Gallons
(dimensions are in feet)
Liters
(dimensions are in meters)
Rectangular
Length x Width x Average Depth x 7.5
Length x Width x Average Depth x 1000
Round
Diameter x Diameter x Average Depth x 5.9
Diameter x Diameter x Average Depth x 785
Oval
Length x Width x Average Depth x 6.7
Length x Width x Average Depth x 893
