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Pool Salt Level

Pool salt calculator / 30,000 gallons

How much salt for a 30,000 gallon pool?

About 801 lb, or 20 bags of 40 lb, to take fresh water to 3,200 ppm. Already have some salt in the water? Set your current level below.

Needs salt! Tip it in.

Psst: drag through the water, tap it, or grab the duck and throw it.

Your pool needs

801 lb of salt

That is 20 × 40 lb bags to go from 0 to 3,200 ppm in 30,000 gallons.

Salt levelSweet spot 2,700 to 3,400 ppm
02,5005,000 ppm

Each 40 lb bag raises this pool by about 160 ppm. Add most of it, run the pump for 24 hours, then retest.

Units
Pool size

1 How big is your pool?

Current salt level

2 How salty is it now?

Use a salt test strip or the reading on your chlorinator. Brand new or freshly filled pool? Leave it at 0.

Target salt level

3 What are you aiming for?

A safe default if you are not sure which system you have.

Bag size

Salt needed for a 30,000 gallon pool by starting level

Pounds and 40 lb bags to reach 3,200 ppm. Each 40 lb bag adds about 160 ppm to 30,000 gallons.

Current saltSalt to add40 lb bags
0 ppm801 lb20
500 ppm676 lb17
1,000 ppm550 lb14
1,500 ppm425 lb11
2,000 ppm300 lb8
2,500 ppm175 lb5
2,800 ppm100 lb3
3,000 ppm50 lb2

If your salt system wants a different target

TargetSalt from 0 ppm40 lb bags
3,000 ppm751 lb19
3,200 ppm801 lb20
3,400 ppm851 lb22
3,500 ppm876 lb22

The working: 30,000 × 8.34 × 3,200 ÷ 1,000,000 = 801 lb. Target ranges by brand are on the pool salt level chart.

Other pool sizes

Questions people ask

How many bags of salt for a 30,000 gallon pool?

Starting from fresh water, a 30,000 gallon pool needs 20 bags of 40 lb (801 lb) to reach 3,200 ppm. If the water already reads 2,000 ppm you need 8 bags.

How much does one bag raise a 30,000 gallon pool?

One 40 lb bag raises a 30,000 gallon pool by about 160 ppm. A 25 lb bag adds about 100 ppm.

Is my pool really 30,000 gallons?

Volume estimates are often off by 10% or more, which changes the answer by the same amount. If you are not sure, use the Measure it option in the calculator, add most of the salt, then retest before adding the rest.