pH Test Strips 4.5-9,200 Litmus Paper pH Strips for Urine & Saliva …

评级: 来自 1 个源的 25 条评论

评论

选定评论,共 25 条评论

Reacts quickly. They are functional .The colors sometimes is a little hard to distinguish between the phone levels.阅读完整评论

www.amazon.com