ENJOY VS500 Spa Pak Owner's Manual download pdf (Page 42)

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

throughout 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

prevent 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

Monopersulfate 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 inorganics 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difcultmetallicstainsfromunderwater

surfaces. Oxalic acid can be used in a similar manner.

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ENJOY VS500 Spa Pak Owner's Manual Page 42