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Water Quality and Maintenance Page 42

SUPPLEMENTAL WATER MAINTENANCE

Proper water sanitation and mineral balance (pH control) are absolutely essential for a complete spa water maintenance

program. Here are three other popular water additives that are optional:

Flocculating Agent

The flocculent clarifies the water by removing particles too small for some cartridge filters to catch. The flocculating agent

consists of relatively large particles, which when added to water, attract smaller particles to them like magnets. The small

particles attach to the flocculating agent’s large particles to form a combination which is large enough to be trapped in the

filter. It is important to remember that the use of flocculating agents does not improve water sanitization. With proper

sanitation, the small particles are rendered inert (biologically dead).

Foam Inhibitors

Spa water requires changing due to the buildup of soap in the water. Typically, soap will cause the spa water to foam when

the jets are used. Soap is introduced into the spa water from two sources: users’ bodies, which retain a soap residual after

showering, and swimming apparel, which retains soap after washing.

Foam inhibitors can suppress foam, but cannot remove soap from the water. Soap is very difficult to remove from the

water because soap is not oxidized by any chemical added to the spa. Only ozone can oxidize soap.

Eventually the soap build-up in the water will be concentrated, resulting in an unclean feeling on the bather’s skin which is

impossible to remedy. When this occurs, it’s time to drain and refill the spa. Depending on the soap input, the water should

last about 4 months before needing to be drained.

Mineral Deposit Inhibitors

As water evaporates from your spa and new water is added, the amount of dissolved minerals will increase. (Minimize

evaporation by keeping the cover on the spa whenever possible.) The spa water may eventually become “hard” (Calcium

Hardness too high) enough to damage the heater by calcifying its surface. Proper pH control can minimize this.

Normal soap build-up will require water replacement regularly enough that mineral deposits normally are not a problem.

Occasionally, high iron or copper content in the water may produce green or brown stains on the spa. A mineral deposit

inhibitor may help to reduce these metals.

NOTE: Well water may contain high concentrations of minerals. The use of a low water volume, extra-fine pore water filter

(in-line pre-filter such as the FreshStart

™

10,000

Pre-filter) will help to remove many of the larger particles during the filling of

the spa. In-line pre-filters can be purchased at your local Hot Spring

Spa dealer.

CHLORINE MAINTENANCE SCHEDULE

Recommended

Chlorine

Sodium dichloro-s-triazinetrione, granular or Sodium dichloro-isocyanurate, granular (common name: Dichlor Chlorine,

granular, 53%-65% available chlorine

Daily Maintenance

Maintain a level of 3-5 ppm Free Available Chlorine when spa is in use. Add the recommended amount of dichlor into the

filter compartment while the jet pump is operating. Run the jet pump for 10 minutes.

Weekly

Maintenance

Super chlorinate (shock treatment): Add the recommended amount of dichlor (open cover) into the filter compartment

while the jet pump is operating to raise the free available chlorine residual above 10 ppm. Run the jet pump for 10 minutes.

Allow the free chlorine residual to drop to 5 ppm before using the spa!

Important

• A spa being used over an extended period of time, such as a whole afternoon or evening, will need chlorine added at

least every hour or more frequently to maintain the average level of 3-5 ppm free chlorine residual.

• The use of trichloro-s-triazenetrione (tri-chlor) for water sanitation, or swimming pool acid (muriatic acid) to lower the

pH could damage your spa and is not recommended.

• Keeping the spa cover on and secured at all times (except when the spa is in use) will reduce the chemical demand

and help to maintain the spa’s energy efficiency.

• Always add all spa chemical into the filter compartment while the jet pump is operating.

• Always test the spa water temperature with your hand to make sure it is comfortable before entering.

Warning

Improper water chemistry or the use of non-recommended chemicals may cause severe damage to the spa surface or

equipment which is not covered by the spa warranty!

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Watkins HotSpring Manuel du propriétaire Page 44

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