Whirlpool 11-0086-11 Owner's Manual download pdf (Page 43)

WATER CHEMISTRY cont...

WATER TREATMENT GLOSSARY cont...

The effects of low PH can be rapid sanitizer loss, eye and skin irritation,

expedited corrosion of metals, as well as staining throughout the spa.

High PH can result in cloudy water, low sanitizer efciency, as well as

eye and skin irritation.

3 - Parts per Million (PPM): The term “parts per million” will be used

frequently in the world of water care. The term simply means exactly

what it says: the coexistence of any one unlike item with a larger number

of “like” items.

4 - Sanitizers: Sanitizers are used to destroy bacteria and other germs

in the water. Only 2 sanitizers are used in spas, chlorine (Sodium Di-

chlor) and Bromine (Hydrotech or Lonza). Without the use of a mineral

system or an enzyme, the preferred level of sanitizer is between 2 and

3 ppm.

5 - Total Dissolved Solids (TDS): TDS is simply the measure of the

total amount of matter dissolved in the water. When this level becomes

too high, action is advised.

6 - Calcium Hardness: The measure of the amount of calcium dis-

solved in the water as expressed in PPM. Hard water, or water with

calcium levels over 250 PPM can cause scale formation on the surface

of the spa or the components of the spa.

7 - Total Chlorine: Total Chlorine is the sum of the free and combined

chlorines in the water. Often, water will contain a higher level of total

chlorine than available chlorine. If this is the case in your water, you

may use a non-chlorine shock (typically potassium monopersulfate) to

free up the remainder of total chlorine.

8 - Ozone: Ozone is a gas molecule that can be generated by an Ozon-

ator, which is composed of three atoms of oxygen and used to oxidize

the water. Ozone is very useful for regenerating bromine from bromide

ions. It also acts as a supplement when used in conjunction with a sani-

tizer and may reduce the level of sanitizer required. You may read more

about ozone later in this section of your owner’s manual.

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Whirlpool 11-0086-11 Owner's Manual Page 43