Jet mixer Jet Mixer More Information AddToCartModal × pH-indicator strips pH-indicator strips pH-indicator strips cover different pH ranges from the universal range 0 to 14 or more specific ranges depending on the applications. More Information AddToCartModal × Total hardness kit Total hardness kit Hardness increases soap consumption in laundries and causes scale in boilers.With the this kit,simply count the number of drops required to change the solution color to determine hardness concentrate. More Information AddToCartModal × Refractometer Refractometer Refractometer measures the concentration of lubricants and cutting fluids. Compact and easy to operate. More Information AddToCartModal ×