Universal pH Test Paper Strips pH Test Strips Roll, pH Measure Full Range 0-14， 16.4 ft/Roll (4 Rolls) 4 sold2025 No Residue Left---The thermal tape

No Residue Left---The thermal tape can be removed without residue on surface

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Universal pH Test Paper Strips pH Test Strips Roll, pH Measure Full Range 0-14， 16.4 ft/Roll (4 Rolls) 4 sold2025 No Residue Left---The thermal tapeUniversal pH Test Paper Strips pH Test Strips Roll, pH Measure Full Range 0 14 16. 4 ft Roll (4 Rolls) Made of quality litmus paper. You can get fast and accurate results in just seconds with this good quality pH test paper. Come with the plastic dispenser, you can tear the paper off easily. The packing is delicate and moisture proof. Read more Read more Wide application: Great teaching supply for lab, school, to test the solution of acid and alkali;