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2020 Portable Spas - LAF
LTR20201163, Rev. E
W
ater Clarity
www.calspas.com
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is first placed in a spa, the sanitizer level can be extremely high. High sanitizer levels
can chemically burn or discolor the spa’s shell or the underside of the cover. Then,
Sanitizers
Common name Usual chemical name Common brand names
Chlorine sodium dichlor
Both chlorine and bromine are available
under numerous brand names
Bromine sodium bromide
Shock
Common name Usual chemical name Common brand names
MPS monopersulphate MPS Shock, Oxy-Spa, SeaKlear
Dichlor sodium dichlor Dichlor Shock
Note: Dichlor (chlorine) is both a sanitizer and a shock. Monopersulphate (MPS), when used as a shock, can be purchased
alone as non-chlorinated shock or combined with dichlor, which makes it significantly more effective than MPS alone.
Other chemical additives
Common name Usual chemical name Common brand names
Stain and scale inhibitor These are usually proprietary
chemical formulations and cannot
be purchased as a single generic
chemical.
Metal Stain Gone, Scale Inhibitor, Stain and
Scale Preventer, Stain and Scale Defense
Foam inhibitor Foam Gone, Foam Down, Defoamer
Clarifier Water Brite, Spa Bright, Water Clarifier, Clear
Water, Natural Clarifier, Brite & Clear
Do NOT use these in your spa:
• Sodium hypoclorite (household bleach)
• Trichlor
•
Chemical floaters
• Bromine tablets
• Muriatic acid
• Borax or boric acid in any form, including brand names such as 20 Mule Team Borax or generic as sodium tetraborate
• Cyanuric acid, also called sun protector or chlorine protector
Common Water Chemistry Questions
Question:
Why is the use a floater not recommended to sanitize my spa water?
Answer: We do not recommend the use of a floater for three reasons:
• The floater is unable to control the rate at which the sanitizer is dissolved into the water. When a floater
after a period of time, the sanitizer level dispensed by the floater will fall to near zero. A low sanitizer
level will allow viruses, bacteria or algae to grow.
• Floaters tend to stay in one area of the spa most of the time, causing this area to be exposed to extreme
sanitizer levels.
• The floater may allow pieces of the highly concentrated sanitizer to fall out and settle on the floor or seat
of the spa shell. These pieces of sanitizer will chemically burn (blister) the spa shell. Although your spa
shell is specifically designed to resist the effects of spa chemicals, no spa surface can withstand this type
of highly concentrated chemical. Remember, chemical abuse is specifically not covered under the terms
of the warranty.
Question: When I open my spa, I smell chlorine. How do I get rid of this smell?
Answer:
There are two types of chlorine in your spa. The first is the Free Available Chlorine, which is the chlorine
available to sanitize your spa. This free Available Chlorine does not have an odor. The second is Chloramine,
which is residue from chlorine already expended. Chloramines have a strong chlorine odor. The smell from
Chloramines can be eliminated by shocking the water. If you smell chlorine in the water, your spa is reminding