Harris Water Hardness Test Strips (25's)

Harris
Water Hardness Test Strips (25's) (8293)
Range of 0-500mg/l defined in colour match increments of 0,50,125,250,500.

Immerse the swab strip in the water for 2 seconds then remove. Shake off excess liquid and compare against the colour chart on the packaging within 30 seconds. This will indicate the total water hardness in mg/l (ppm) of CaCO3.
£6.05
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IN STOCK

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