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WATER QUALITY AND MAINTENANCE
Ozonator
Ozone Tubing & Check Valve
Control Electrical
Equipment Pack
Door Panel Screws
Door Panel
Figure 11
Water Terminology
Bromamines: Compounds formed when bromine combines with nitrogen from body oils, urine, per-
spiration, etc. Unlike chloramines, bromamines have no pungent odor, and are effective sanitizers.
Bromine: A halogen sanitizer (in the same chemical family as chlorine). Bromine is commonly used
in stick, tablet, or granular form.
Chloramines: Compounds formed when chlorine combines with nitrogen from body oils, urine, per-
spiration, etc. Chloramines can cause eye irritation as well as having a strong odor. Unlike bro-
mamines, chloramines are weaker, slower sanitizers.
Chlorine: An efficient sanitizing chemical for spas.
Chlorine (or Bromine) Residual: The amount of chlorine or bromine remaining after chlorine or
bromine demand has been satisfied. The residual is, therefore, the amount of sanitizer which is
chemically available to kill bacteria, viruses and algae.
Corrosion: The gradual wearing away of metal spa parts, usually caused by chemical action.
Generally, corrosion is caused by low pH or by water with levels of TA, CH, pH or sanitizer which are
outside the recommended ranges is 7.4 to 7.6. Below 7.0 (considered neutral), the spa water is too
acidic and can damage the heating system. Above 7.8, the water is too alkaline and can result in
cloudy water, and scale formation on the shell and heater.
Scale: Rough calcium-bearing deposits that can coat spa surfaces, heaters, plumbing lines, and
clog filters. Generally, scaling is caused by mineral contect combined with high pH. Additionally
scale forms more readily at higher water temperatures.
Sanitizer is extremely important for killing algae, bacteria and viruses, and preventing unwanted
organisms from growing in the spa. At the same time, you don’t want too high a sanitizer level, or it
can irritate your skin, lungs, and eyes.
Always maintain the sanitizer level in your spa at the recommended level for each type of sanitizer.
Ozone
The Ozonation System in your spa drastically reduces the need for chemicals in the water.
Reagent: A chemical material in liquid, powder, or tablet form for use in chemical testing.
Sanitizer: Sanitizers are added and maintained at recommended residuals to protect bathers
against pathogenic organisms which can cause disease and infection in spa water.
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