Spa Calcium Hardness Increaser

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Spa Calcium Hardness Increaser
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Availability: Out of stock

Raises Calcium Hardness in Spa/Hot Tub Water
Natural Chemistry’s Spa Calcium Hardness Increaser is used to raise calcium hardness in spa water. Calcium hardness in spa water should be maintained between 150-250 ppm. Low calcium hardness levels could cause the spa water to be corrosive which may result in damage to the spa surface or equipment.

Available Sizes:
• 1.83 lbs. cannister



Description

Details

Features:
• Raises calcium hardness in spa and hot tub water
• Reduces cloudy water caused by low calcium levels
• Low calcium hardness levels could cause the water to become corrosive, which may result in damage to the spa surface or equipment
Application
Directions for use:

Read the entire label before using.

1. Test spa water for calcium hardness level.
2. Compare test results to chart below to determine appropriate amount of Natural Chemistry Spa Calcium Hardness Increaser necessary to make adjustment.
3. With spa circulating pump on high speed, add required amount directly into spa water. Continue circulating water a minimum 20 minutes. Do not pre-dissolve this treatment as heat is generated when it contacts water.
4. Retest and adjust if necessary.

Dosage Chart
(All values are in dry ounces)

Spa Volume 20ppm 40ppm 80ppm 100ppm
200 gal .75 1.5 3 3.75
400 gal 1.5 3 6 7.5
800 gal 3 6 12 15

NCI threaded safety cap = 1/2oz
NCI large over cap = 4oz