Cal Spas 2006 Portable spas Owner's Manual page 52

Water Quality Maintenance
Oxidizer Shock
Destroys ammonia, organic contaminants, and odor causing wastes in spa water.
Use with any "Clear Water Plan".
Metal Protector
Helps prevent metals in water from staining spa.
Use during start up.
Use with any "Clear Water Plan"
Stain And Scale Defense
Helps prevent minerals from damaging spa components.
Use with any "Clear Water Plan"
Ph / Alkalinity Up
Raises pH and alkalinity levels in spa water.
Use with any "Clear Water Plan"
Ph / Alkalinity Down
Raises pH and alkalinity levels in spa water.
Use with any "Clear Water Plan"
Liquid Hardness Increaser
Helps reduce foaming and corrosion by increasing hardness levels in spa water.
Use with any "Clear Water Plan".
Page 48 2006 Portable Spa Owner's Manual
LTR20061000, Rev. A