Phydrion - 5920024 pHydrion 0 to 13 pH Jumbo pH Papers, Range 0 to 13, 50 Ft/Roll;

These low-cost Jumbo rolls offer larger paper strips to measure pH in one of four ranges. Ideal for use in the field or plant. The larger size makes it easier for testing-evenn with gloves. What's included: 1 roll of paper and protective case. Larger, field-sized papers for quick pH monitoring.