Salt Dilution Formula - Hayward AquaRite 100 Technical Training Manual

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Salt Dilution Formula

To calculate how much water will need to be removed from a pool, with too much

salt, follow the formula provided below (Proportional Method):

Part I

Part 1: Take the average depth of the pool in inches and multiply that by

3200

(or desired salt level within

1500-4500ppm). Then divide that

(Ave. Pool Depth" X 3200)

number by the actual salt level in the pool (based on independenttest).

Actual Salt level in Pool

Part 2: Subtract the Average Pool Depth by the answer from part 1. This

will give you the total number of inches to drain and replenish with fresh

water to achieve a salt level of to match desired salt level from step1.

Pa rt II

Ave. Pool Depth - Answer from Part 1 = Amount of Water to Drain

Example: a pool has an ave. depth of 54" and the salt level is 4500ppm

Example: PartI

Example: PartII

54 X 3200 = 172800

38.4

15.6"

54 – 38.4 =

4500

Note: It is recommended to reduce the water level no more than six inches at a time before

replenishing with fresh water. Failure to due so may result in damage to the pool structure or

surface.

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