Universal ph Indicator Solution Rankem
- Universal indicator solution pH 4.0-11.0
- Tint of colourless buffers containing 2% indicator
- Universal Indicator Solution (pH 4-11) 500 ml
- Easy, portable and simple to use, Instructions for use are included.
- Pour 1 inch of Water into the transparent glass ad then put 5 to 8 drops of liquid in it to check and compare the pH level