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Copper Ions and Treatment
The ideal level for copper ions is 0.5ppm. Levels in the range of 0.4 to 0.6 are
acceptable. Once the copper has reached the desired level of 0.5ppm, you only have to run
the electronic unit about one time a week during the day. Test as needed.
NOTE: When you test your pool's water for copper ions, you look down through the top
of the test tube as you hold it ½ inch above the white area of the color comparator.
The first time you test, wait for three (3) minutes before you compare the test tube
to the color chart provided with the kit. Then wait for seven (7) additional minutes and
compare to the color chart once again. If you get a higher reading, then use a waiting time
of ten (10) minutes for future pool water tests.
NOTE: Make sure your pH is in the 7.0 – 7.4 range. If your pH is higher, your copper
ion test will not be accurate. It will not show all the copper ions you have in your water.
Calcium Hardness(CH) and Treatment
The purer the water molecule is, the more aggressively it tries to contaminate itself.
Calcium chloride reduces the aggressiveness of the water molecule, which in turn, will
make the water easier to treat and helping prevent damage to the pool's surface. One could
consider this being an insurance policy against owner negligence. For example, the
damaging effects of low pH water would slightly be negated with calcium being present in
the water.
Calcium Hardness (CH) is treated with calcium chloride. This is available at most stores
that carry pool supplies. Please see Table 2 for treatment instructions.
NOTE: The ideal calcium hardness in a vinyl liner, fiberglass, or painted pool is 150 to
200ppm minimum. For a plaster pool the ideal level is 300ppm. Always follow the
manufactures' guidelines for your pools surface. Test and treat in the Spring and Fall.
Getting The Best Test Results
All treatments for pH, TA or CH should be made with water taken from the pool in a
large plastic bucket (5-gallon container for example). Please Use Caution. The treatment
(muriatic acid, baking soda, or calcium chloride) should be totally dissolved and then
gently poured into an inlet stream of water. Do not combine any of these chemicals
together. They must be added separately; i.e., one at a time!
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