• 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
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