pH Paper, Fil-Chem$40.79 Range (UOM: pH) Choose an option3.5-5.23.8-5.5Clear pH Paper, Fil-Chem quantity Add to cart SKU: PH/3552 & PH/3855 Categories: Laboratory Testing Solutions & Chemicals, pH Buffer Solutions and Testing Strips Tag: pH Description Additional information Description Fil-Chem pH Test Strips (200 per pack). Additional information Range (UOM: pH) 3.5-5.2, 3.8-5.5 Related products Ammonium Persulfate, Reagent Grade $29.34 – $67.02 This product has multiple variants. The options may be chosen on the product page Ammonium Bifluoride, Technical Flakes $21.19 – $56.06 This product has multiple variants. The options may be chosen on the product page Ammonium Hydroxide, 1:1 Solution $22.66 – $151.82 This product has multiple variants. The options may be chosen on the product page AZO Violet Indicator $12.35 – $35.12 This product has multiple variants. The options may be chosen on the product page