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Spa water should
be changed every 6 months. After refilling your spa, the
first step is to add a mineral/metal sequesterant. This
will eliminate brown and discolored water due to the presence
of iron, copper, and manganese.
Next, it’s important to balance out the water’s
alkalinity, pH, and total hardness. Alkalinity is the
buffering capacity of the water and a measurement of
how stable the pH will be. Maintain 100-150 ppm alkalinity
at all times. Next, the spa’s pH should be maintained
at 7.2-7.6. The pH of the human eye is 7.35 and most
spa chemicals work best in this range of pH. Finally,
the total hardness should be maintained at 200-400ppm
to prevent corrosion of the heat exchanger and eliminate
calcium scaling. |
| Next, a sanitizer
should be introduced. Bromine is superior to chlorine
in hot tubs. Chlorine vaporizes into a gas at 101*F where
most people keep their spa temperature at. Bromine is
a higher molecular weight and doesn’t vaporize until
120*F making it far more stable at higher water temperatures.
Bromine is less harsh on the skin and eyes. No more red
eye irritation due to chloramines. Add 1 bromine tablet
per 100 gallons of water per week.
To enhance the bromine, a reserve of bromide ions should
be maintained. Once a month, add 3 oz bromine base per
500 gallons. Bromine Base is “potential”
bromine that can be converted to real bromine by shocking
the water with a non-chlorine shock.
Shocking the spa water is very important and should
be done after every usage of the spa. After getting
out of the spa, add one capful of Potassium Monopersulfate
shock like “No Clor Non-Chlorine shock”
This will activate the bromine base and destroy any
bacteria, dead skin, or cosmetics that may have been
left behind by bathers.
Optional items that may be needed are Granular Defoamer,
which removes unsightly foam on contact, Spa Perfect,
which is an enzyme that helps break down lotions, oils,
and cosmetics, and fragrances that help mask the odor
of bromine and other chemicals. |
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