ENJOY VS500 Spa Pak Owner's Manual download pdf (Page 43)

WATER CHEMISTRY cont...

MAINTAINING THE PROPER pH BALANCE

The pH factor is a measure of the relative acidity or alkalinity in the

water. It is measured on a scale of 1 to 14. Pure water has a value of

7, which is neutral. Any value above 7 is alkaline, and any value below

7 is acidic. You should maintain a slightly alkaline pH level, between

7.2 and 7.8, in the hydrotherapy spa. Severe problems can occur

when the pH balance is not maintained within this range. If the pH level

exceeds 7.8, dissolved minerals can build up and clog the plumbing

in the spa jet unit. If the pH level falls below 7.2, the acid level in the

water will begin to corrode the metal parts in the spa jet unit. Also, the

sanitation agents in the water will not be effective if the pH level is not

properly maintained. Damage caused by improper pH levels is not cov-

ered under the warranty. To maintain the proper pH level, you should

test the pH of the water regularly. To test the water, purchase a pH test

kit at a pool and spa supplier. The pH reading should be between 7.2

and 7.8. If the level is too low, add a pH increaser (usually soda ash). If

the level is too high, add a pH reducer (usually sodium bisulfate). Test

thewateragainafterveminutes.SeetheinstructionswithyourpH

test kit for additional information about testing and adjusting the pH.

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ENJOY VS500 Spa Pak Owner's Manual Page 43