Refill pack for pH test paper Tritest pH 1-11 (3 reels of 5m length and 10mm width)

• Tritest indicator paper has 3 different indicator zones on a single paper

• The 3 zones guarantee optimal color differences and safe determination of in-between values

• Gradation (pH): 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9 - 10 - 11