Marquis Everyday Hot Tub Owner's Manual download pdf (Page 38)

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Metal and Stain Control

If minerals such as calcium, iron, copper, or manga-

nese exist in your water supply, they can stain spa

surfaces. Metal & Stain Control prevents spa staining.

Add per label directions for the gallons of your spa

each time you freshly fill the spa with water.

Calcium Hardness Increase

It is critical to have some calcium in your water,

however, 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

Metal & Stain Control when initially filling your spa.

Low calcium levels can cause spa water to be-

come highly corrosive and damaging to the spa

equipment and plumbing. To raise calcium levels,

use Calcium Hardness Increase.

spa care and enjoyment guide

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Marquis Everyday Hot Tub Owner's Manual Page 38