AQUADUR 4 - 14, for water hardness (Tube of 100 test strips)

$0.00

  • Model:91239
Product may vary slightly from image representation.
• Quick and easy determination of water hardness

• Gradation (Total Hardness): < 54 > 72 > 151.2 > 252 ppm CaCO3

• Color change (Total hardness): Green to red

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