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TOT AL
ALKALINITY
"TA"
is the amount of
carbonate,
bicarbonate
and
hydroxyl ions in the
water.
Increasing
TA increases
water
pH and
acts as
a buffer against pH
changes.
High TA promotes high
pH and makes the
water
resistant to
adjustment.
Low TA makes the pH unstable
and
difficult to keep in ideal
range.
Consult your
dealer for methods to measure and
control
TA.
CALCIUM HARDNESS, STAIN AND SCALE
Calcium
hardness can be
very
important. Water that is too hard (dissolved
calcium
over
250
PPM) can promote
scale
fonnation, making deposits in the
spa and
reducing
your
heaters
efficiency.
Water that is too low in
calcium
hardness may also be hannful.
Soft
water
(under 180 PPM)
will
more rapidly dissolve
metals,
sh01iening
the life of
your spas
heater or other metal components.
Staining and
scaling are
common
problems. Hot water
causes
calcium to deposit more
rapidly. Some
local
water conditions
may require the use of
a stain and scale
remover.
Please consult
your
dealer.
NOTE: IF YOU HA VE READ THROUGH YOUR SPA CARE MAINTENANCE SECTION TO
THIS POINT, "GO TO THE HEAD
OF
THE CLASS!" YOU ARE GOING TO ENJOY MANY
HAPPY, PROBLEM-FREE YEARS
OF
ENJOYMENT IN YOUR MASTER SPA.
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26 -
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