Coconut M 2pcs pH Meter Buffer Solution Powder Set,Quick and Easy pH Calibration 4.01,6.86 Calibration Powder,Suitable for Home,Industry

Description

Light weight, easy to carry. Just add water or distilled water. For each powder pack,we can make 250ml solution. Use for PH tester measure calibration solution. PH Meter Buffer Solution Powder Set for Quick and Easy pH Calibration. Specifications Material:Powder. Size:6.5*7.5cm. Color:As pictures show. Package included 1 X 4.01PH buffer powder. 1 X 6.86PH buffer powder.