THREE types Water Hardness Test Strips 100 Strips at 0 425 0 1000 30 600 ppm | Calcium and Magnesium Total Hardness Test
THREE types Water Hardness Test Strips 100 Strips at 0-425 0-1000 30-600 ppm | Calcium and Magnesium Total Hardness Test
THREE types Water Hardness Test Strips 100 Strips at 0-425 0-1000 30-600 ppm | Calcium and Magnesium Total Hardness Test
THREE types Water Hardness Test Strips 100 Strips at 0-425 0-1000 30-600 ppm | Calcium and Magnesium Total Hardness Test
THREE types Water Hardness Test Strips 100 Strips at 0-425 0-1000 30-600 ppm | Calcium and Magnesium Total Hardness Test
THREE types Water Hardness Test Strips 100 Strips at 0-425 0-1000 30-600 ppm | Calcium and Magnesium Total Hardness Test
THREE types Water Hardness Test Strips 100 Strips at 0-425 0-1000 30-600 ppm | Calcium and Magnesium Total Hardness Test

THREE types Water Hardness Test Strips 100 Strips at 0 425 0 1000 30 600 ppm | Calcium and Magnesium Total Hardness Test

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Product Overview

Description

THREE types Water Hardness Test Strips  100 Strips at 0-425 0-1000 30-600  ppm | Calcium and Magnesium Total Hardness Test 

What level of water hardness is acceptable?

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Degree of Hardness Grains per Gallon (gpg) ppm (or mg/L)
Slightly Hard 1.0-3.5 17.1-60
Moderately Hard 3.5-7.0 60-120
Hard 7.0-10.5 120-180
Very Hard >10.5

>180

 

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THREE types of  measurement methods

 

 

 

Detection range measurement      unit
Hardness 30 120 240 600       mg/L(ppm)
Hardness 0 25 50 120 250 425   mg/L(ppm)
Hardness 0 50 120 180 250 425 1000 mg/L(ppm)

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