Marquis Spas THE QUEST Operating And Troubleshooting Manual page 26

marquis care and enjoyment guide
Calcium Hardness Increaser
It is critical to have some calcium in your water, how-
ever, the level of calcium should be between 200 –
400 ppm. High calcium levels can cause scale buildup
on spa surfaces and equipment. Your spa is protected
against high calcium by using Marquis Metal & Stain
Remover when initially filling your spa. Low calcium
levels can cause spa water to become highly corro-
sive and damaging to the spa equipment and plumb-
ing. To raise calcium levels, use Marquis SpaCare
Calcium Hardness Increaser.
pH Hold
If your water supply requires constant adjustments to
keep your pH in balance, we suggest the use of
Marquis SpaCare pH Hold. It "holds" the pH level when
added to a freshly filled spa. pH Hold maintains the
ideal pH level for approximately three to four months –
until it is time to drain your spa.
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MARQUIS SPAS