AQUADUR 4 - 21, for water hardness (Box of 1000 individually sealed test strips)

$0.00

  • Model:91240
Product may vary slightly from image representation.
• Quick and easy determination of water hardness

• Gradation (Total Hardness): < 54 >72 > 151.2 > 252 > 378 ppm CaCO3

• Color change (Total hardness): Green to red

Manufacturers