9 - Organic Matter: These are carbon-derived substances typically
generated by living organisms. In a spa, they are most frequently intro-
duced into the water by bathers. Enzyme products such as Spa Perfect
by Natural Chemistry are most effective at eliminating organic matter
from your body of water.
10 - Microorganisms: This term refers to tiny, living organisms such as
bacteria, protozoa, or algae.
11 - Sequestering: This term denes the action taken to remedy high
levels of metals or calcium in the water. By forming a complex that en-
velops materials in the water, commonly hardness ions, a sequestering
chemical prevents the ions from reacting to one another, thus forming
complex structures or solids.
12 - Shocking: Shocking is the act of hyper-chlorinating or hyper-oxi-
dizing the water. This can be accomplished with a myriad of shock treat-
ments, but is most commonly accomplished with Sodium Dichlor or
Potassium Monopersulfate. The former raises the sanitizer level to at
least 8 PPM, and the latter burns off chloramines or bromines. The use
of P.S., or non-chlorine shock is advantageous because you can bathe
only 15 minutes after treatment; however, oxidizing the water will not
kill the bacteria unless there is sufcient total chlorine to free up used
chlorine to actively sanitize.
13 - Bather Load: You may be asked by your spa professional what the
average bather load is, meaning, how many people enter the spa on a
daily or weekly basis.
14 - Alternative Sanitizers a group of products that sanitize pool, spa
and hot tub water, by means other than the application of chemicals to
the water. Includes such products as ultraviolet sanitizing systems, min-
eral puriers, ionizers and ozonators.
15 - Bactericide: a chemical that kills bacteria. The most common-
bactericides are: chlorine, bromine, biguanide, ozone and silver. Most
algaecides, other than copper, exhibit some bactericidal properties.
16 - Balanced Water: pool or spa water that is within the accepted water
analysis parameters for: pH, sanitizer, total alkalinity, calcium hardness,
chlorine stabilizer (chlorine pools only) and minerals. The balancing, of
the pool or spa water, helps to eliminate water chemistry problems.
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