Test All Water Calcium Hardness Plus - Calcium Chloride

TestallwaterSKU: CHPLUS5OL
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Description

This is used to increase the levels of Calcuim Hardness in Spa and Hot Tub water. The ideal level for your spa and hot tub water needs to be between 100ppm and 200ppm, and for swimming pools, the ideal level is 200ppm. Having low Calcium Hardness (very soft water) can cause the water to become corrosive which can result in staining, etching or distoring of different types of spa and hot tub surfaces. 

For 1000 litres   15g will increase by 10mg/l    or 38g will increase by 25g/l

For 1500 litres   23g will increase by 10mg/l    or 56g will increase by 25g/l 

The level will vary depending on where your water supply comes from. The hardness depends upon the amount of mineral salts (mainly calcium) that are dissolved in the water and the more salts there are the harder the water is.

If the calcium hardness of your pool water is less than 200mg/l then it should be increased using Blue Horizons Calcium Hardness Raiser, details of dose rates can be found below:

Calcium Hardness Dosing Rates
Pool Volume To Increase Calcium Hardness by:
Litres Gallons 10 mg/l 25 mg/l 50 mg/l
4,545 1,000 68g 170g 340g
11,364 2,500 170g 425g 850g
22,727 5,000 340g 850g 1.7kg
45,455 10,000 680g 1.7kg 3.4kg

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