Master Spa Twilight Series Manuel du propriétaire télécharger pdf (Page 21)

19DO NOT DIVE.

Before jumping into the Spa Water Maintenance, here are some terms to help you.

7. Filtration: Filters are necessary to remove particles of dust, dirt, algae, etc. that are con-

tinuously entering the water. If the spa is not operated long enough each day for the filter

to do a proper job, this puts a burden on the chemicals, causing extra expense. Filtration

time will depend on the spa size, pump and filter size, and of course, bather load. A spare

cartridge should be kept on hand to make it easy to frequently clean the cartridge with-

out the need for a long shut down. This will also allow the cartridge to dry out between

usages, which will increase the cartridge life span as much as twice. Replace the cartridge

when the pleats begin to deteriorate. Cartridge cleaning should be done a minimum of

once a month. More often with a heavy bather load.

8. Sanitizers: This is what kills the germs and bacteria that enter the water from the environ-

ment and the human body.

A. Chlorine

1. Only one type is approved for spa use

a. Sodium dichlor which is granular, fast dissolving and pH neutral

chlorine.

2. Chlorine is an immediate sanitizer.

B. Bromine

1. Two types of tablets.

a. Hydrotech

b. Lonza

2. Bromine is a slow dissolve chemical and may take a few days to develop a reserve

or reading in the water.

9. Total dissolved solids (TDS): Materials that have been dissolved by the water. i.e. Like

what happens when you put sugar in coffee or tea.

10. Useful life of water (in days): Water should be drained at least once every 180 days.

Useful life may vary by usage and bather load.

11. Defoamer: Foaming may be caused by body oils, cosmetics, lotions, surface cleaners, high

pH or algeacides as well as other organic materials. Low levels of calcium or sanitizer can

also cause foaming. Also, double rinse your bathing suits as they will hold residual soap

after being washed.

12. Calcium hardness: Water that is too hard (over 250 ppm) can promote scale formation

in components and on spa surface. Water that is too low (below 180 ppm) may also

shorten the life of metal components on the spa.

NOTE: Always leave the spa cover open for 15 min. after adding chemicals to pre-

vent off gas from damaging your spa cover, spa pillows, and other critical parts.

WATER CHEMISTRY TERMS YOU SHOULD KNOW

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Master Spa Twilight Series Manuel du propriétaire Page 21