Hardness

Water Hardness is a term used to express the concentration of predominantly calcium and magnesium ions in water. At sufficiently high concentrations hardness salts can precipitate, forming scale.

Kittiwake Water Hardess Test Kits can determine both calcium and magnesium concentrations, expressing results as mg/l CaCO3. Our range of drop tests, microburette tests and titrator tests allow for increasing accuracy in testing for hardness salts on-site.

Excessive scale deposits block pipework, seize valves and reduce thermostat accuracy. Even thin scale films on boiler metals can significantly reduce heat exchanger capacity.

Hardness salts also reduce the ability of soaps and detergents to foam, lowering cleaning effectiveness and increasing detergent consumption.

Water softeners are used to effectively remove calcium and magnesium ions and prevent scale formation.

The table below gives a chart of recommended tests.
R = Recommended X = Suitable for use

Call Kittiwake Call us now on +44 1903 731470 to discuss your specific needs, or visit our global network page for offices or dealers near you.

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Hardness

	Titrator Test	Micro Burette	Drop Test	Test Strips
Boiler Treatment	R	X	R
Cooling Towers & Systems	R	X	R	X
Swimming Pools & Spas	X	X	R	X
Potable Water	R	X	X	X
Agriculture & Hydroponics	X	X	R
Water Purification & Softening	X	X	R
Aquaculture	X	X	R
Sanitisation (Food & Beverage, Laundry, Dairy, Warewash)	X	X	R	X

Product Table

Code	Product	Range	Tests per pack	No. Reagents
AS-K26066-KW	Hardness (Total/Calcium)DIGI Titrator	10-2000 ppm (CaCO3)	100	3 x 65 ml, 1 x pot, 1 x cartridge
AS-K26067-KW	Hardness (Total)DIGI Titrator	10-2000 ppm (CaCO3)	100	2 x 65 ml, 1 x cartridge
AS-K26068-KW	Hardness (Calcium)DIGI Titrator	10-2000 ppm (CaCO3)	100	1 x 65 ml, 1 x pot, 1 x cartridge
AS-K22328-KW	Hardness (Total) LR drop test	5-60ppm CaCO3	120	3 x 65 ml
AS-K22333-KW	Hardness (Total) Yes/No	8-20ppm CaCO3	50	1 x pot
AS-K22332-KW	Hardness (Ca + Mg) HR Drop Test	50 - 600 ppm	120	5
AS-K22327-KW	Calcium Hardness HR drop test	50-600 ppm CaCO3	120	2 x 65ml, 1 x pot
AS-K22326-KW	Hardness (Calcium) LR Drop Test	5-60 ppm CaCO3	120	2 x 65ml, 1 x pot
AS-K22329-KW	Hardness (Total) HR Drop Test	50-600 ppm CaCO3	120	3 x 65ml
AS-K22330-KW	Hardness (Total) LR + HR Drop Test	5-600 ppm CaCO3	120	4 x 65ml
AS-K22334-KW	Hardness Stop/Go Drop Test	4 ppm CaCO3	120	1 x 30ml
AS-K23050-KW	Hardness Total/Calcium LR+HR Drop Test	50-600 ppm CaCO3	120
BI-K21333	Hardness Test Strips	0-25-50-80-150-225-350-425 ppm	50	1 pack

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