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Water Quality and Water Chemistry
Maintaining water quality and the proper water chemistry in your spa is extremely important and should be a regular part
of your spa maintenance program, as a neglected spa can be a breeding place for dangerous bacteria.
The water quality of your spa is maintained by a combination of filtration and chemistry. The spa's integral filter system
helps maintain the water cleanliness and clarity by trapping most solid materials such as hair, and other debris resulting from
normal use. The most important part of maintaining water chemistry, however, is keeping the proper level of disinfectant
in the water at all times. This is accomplished by adding chlorine or bromine to the water, which will control particles too small
to be trapped by the filter, such as bacteria and algae, and will oxidize any organic materials. Follow instructions provided
here and with water quality products for the health and safety of spa users, and to make your spa bathing as enjoyable as
possible.
Filtration
The filtration system of your spa will keep your water
clear and clean if used properly.
elements will trap most solid materials and debris in the
water. However, the presence of materials such as body
oils or other particles which are too small to be captured in
the filters may cause various undesirable water quality
conditions. These conditions can be corrected with the use
of spa treatment chemicals available from your Jacuzzi
Whirlpool Bath dealer. Such conditions include the follow-
ing:
Foaming: A defoamer is available to minimize foaming of
the water. This condition is usually caused by the addition
of soaps or oils, or other fatty substances to the spa water.
The interaction of these with hot water, especially at high
pH (more alkaline), will cause the water to foam. (Refer to
Water Quality Definitions on page 11.)
Oil Film or Cloudy Water: Add clarifier to congeal oil film
on the water surface into globules sufficiently large to be
trapped by the system's filter. Cloudiness is caused by
particles that are too small to be trapped in the filter, and is
also due to the presence of human body oils, lotions, and
cosmetics. During normal use, these materials can accu-
mulate on the filter element and clog its pores. The addition
of clarifier will make the water clearer, but clogged filters
must be cleaned as prescribed under the section entitled
Filter Maintenance in this manual (page 12).
Hard Water:
Add a demineralizer to break down or
deionize mineral particles present in the spa water.
Follow the Filter Maintenance procedure described in this
manual (page 12) to ensure optimum performance of your
spa's filtration system.
10
MAINTENANCE
The filter cartridge
Water Chemistry
You can ensure better water chemistry by testing your
spa water every day and adjusting the chemical balance
frequently. Obtain a water quality test kit, designed espe-
cially for spas, from your Jacuzzi Whirlpool Bath dealer.
The test kit must be of a type that allows you to test for the
disinfectant (chlorine) level, pH, and total alkalinity. Ensure
that the chemicals used in your spa are especially for spa
use, and not for swimming pools, as water quality mainte-
nance of spas and of swimming pools is very different.
Set up a daily program at first to check the disinfectant
level, pH, and total alkalinity of the water. Familiarize
yourself with the amount of chemicals to add and determine
how often to make chemical adjustments during normal
use. Remember that the more heavily the spa is used, the
more often you should check the water chemistry.
When adding chemicals, always run the filter system to
ensure complete dilution with the water. Do not add
chemicals directly into the skimmer.
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