The Captive Purity Refractometer is an incredibly accurate and easy to use device that eliminates the confusion associated with inexpensive hydrometers. Just place a couple of drops of water on the prism and hold to the light. Rea...
Calibration solution for pH monitors or controllers. pH 10.0. 500mL.
**Variations of this product can be found in many online stores. The version we carry is of the highest quality. Although this item is eligible for price...