80pcs/pack Universal PH Tester Papers PH 1-14 Litmus Paper Indicator Test Paper For Home Water Aquarium Measurement Accessories

It's a great honor for you to visit my store. Good luck with your favorite purchasesHigh-concerned chemical : None Model Number : PH Indicator Test Strips Origin : Mainland China function 1 : includes a color chart function 2 : 80 strips,Chemical testing tools