pH Paper, Standard Kit Refill, PHydrion, Testing Parameter pH, Range 0.0 - 6.0 pH, Number of Tests 500, Length 15 Ft., Width 7/32 In., Package Quantity 5

pH Paper, Standard Kit Refill, Phydrion, Testing Parameter pH, Range 0.0 - 6.0 pH, Number of Tests 500, Length 15', Width 7/32 In., Package Quantity 5 pH Test Pencils, Strips, Paper, and Kit9L411, pH Pencil, gives 30-sec. color match of acid or alkali residue on paper, lumber, concrete, cement, plasterboard, painted and prepainted surfaces, textile, ceramics, and skin. Pkg. of 3. 8ZDP7, pH Sticks, give quick 1-dip single-color match for each pH value. Extra long and wide for ease of use when wearing gloves. Pkg. of 25.