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7 - pH Up: The effects of low pH can be rapid sanitizer loss, eye and
skin irritation, expedited corrosion of metals, as well as staining through
-
out the spa. pH up can be purchased from your dealer in either liquid or
solid granular form. Please see your dealer for recommended dosage.
8 - Metal Protect or Remover: Also called stain and scale defense,
metal protect inhibits staining and scaling in your spa. It will also pre
-
vent calcium build-up on the surfaces of your spa. Regular use will help
protect your spa surface as well as your plumbing, your pumps, and
even your heater.
9 - Spa Shock: Non-chlorine spa shock contains Potassium Monop-
ersulfate and is an oxidizer that works well with mineral, chlorine and
bromine systems. Regular use of spa shock can substantially reduce
the need for sanitizing by up to 50% and will continually remove inor
-
ganics from the water. Best of all, you can bath in only 15 minutes after
application.
10 - Ascorbic Acid: vitamin “C.” Can be used as an acidic reducing
agent in the removal of difficult metallic stains from underwater surfac-
es. Oxalic acid can be used in a similar manner.
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