Specifications
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Water Sanitation is the responsibility of the spa owner, achieved through the regular and periodic (daily, if necessary) addition of an
approved sanitizer. The sanitizer will chemically control the bacteria and viruses present in the fill water or introduced during use of
the spa. Bacteria and viruses can grow quickly in undersanitized spa water.
The water’s chemical balance and pH control are also the responsibility of the spa owner. You’ll have to add chemicals to maintain
proper levels of Total Alkalinity (TA), Calcium Hardness (CH) and pH. Proper water balance and pH control will minimize scale
buildup, extend the life of the spa, and allow the sanitizer to work at top efficiency.
METHODS FOR TESTING THE SPA WATER
Accurate water testing and analysis is an important part of effectively managing your spa water. You must have the ability to test for:
•TotalAlkalinity(TA) •CalciumHardness(CH)
•pH •Sanitizer
Two types of testing methods are recognized and recommended by Watkins:
The Reagent Test Kit is a method which provides a high level of accuracy. The reagents come in either liquid or tablet form.
Test Strips are a convenient testing method used by many spa owners. Keep in mind that test strips are susceptible to heat and
moisture contamination, which will result in inaccurate readings.
IMPORTANT: Always read and carefully follow the directions included with the Test Kit or Test Strips to ensure the accuracy of the
test results.
Ba s i c ch e m i c a l sa f e t y
When using chemicals, read the labels carefully and follow directions precisely. Though chemicals protect you and your spa when
used correctly, they can be hazardous in concentrated form. Always observe the following guidelines:
•Allowonlyaresponsiblepersontohandlespachemicals.Keepthemoutofthereachofchildren.
•Accuratelymeasuretheexactquantitiesspecified,nevermore.Donotoverdoseyourspa.
•Handleallcontainerswithcare.Storeinacool,dry,wellventilatedplace.
•Alwayskeepchemicalcontainersclosedwhennotinuse.Replacecapsontheirpropercontainers.










