Refill pack for Special indicator paper pH 5.5 to 9.0 (3 reels of 5m length and 7mm width)

• Singly sealed to ensure long-term stability and protection against many external influences

• Have to be placed in the plastic reel with color scale to be used

• Gradation (pH): 5.5 - 6.0 - 6.5 - 7.0 - 7.5 - 8.0 - 8.5 - 9.0