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level (0.5 ppm).

Bromine sanitizer is not recom-

mended for use with Nature

. Important! The

Nature

cartridge should be replaced every

four months.

Only the use of ozone, Nature

, and chlorine or

bromine are recommended. Use of other alternative

sanitizer systems may void the warranty. The chlorine

used in the Marquis spa should always be the

Marquis Spa Care brand or a base of Sodium

Dichloro (DiClor). Important: Cal Hypo and

TriChlor compounds are not recommended for

use with a Marquis spa.

Alkalinity

Alkalinity acts as a buffer to prevent the pH level from

changing as other substances are added to the water.

Proper alkalinity is directly related to the stability of the

pH. The alkalinity should be between 80 - 120 ppm.

Alkalinity levels below 80 ppm make it very difficult to

stabilize the pH level. Levels above 120 ppm may

increase pH levels and cause cloudy water, scaling,

and decreased efficiency of the sanitizer.

pH Level

The pH level measures the relative acidity and basicity

of the water. The ideal pH level is 7.2 - 7.8. When the

pH level falls below 7.2 the water can become corro-

sive. Low pH can cause damage to metal in the

equipment pack and heaters, excessive sanitizer

consumption, and skin irritation. A pH level above 7.8

can be scale-forming and allows metals or minerals in

the water to form deposits and stain spa surfaces.

Shocking

Once bacteria and other wastes are neutralized by

the sanitizer, they stay in the water unless oxidized or

shocked. Often called chloramines or bromamines,

they create dull, cloudy water and can cause odor

and eye or skin irritation. Marquis Shock Treatment

rids your spa of these wastes for clear, sparkling

water. Shocking is recommended once a week or

whenever the water appears dull or cloudy or has a

strong chlorine odor.

NOTE: A strong chlorine odor indicates that the

spa needs to be shocked – not that there is too

much chlorine in the water. A properly bal-

anced spa that is shocked regularly will not

have a chlorine odor.

marquis care and enjoyment guide

PAGE 56

MARQUIS SPAS