Sell medical supplies Protection ✵pH Testing Strips (80pcs)❊ best price

Universal indicator paper pHs less than 7 are acidic while pHs greater than 7 are alkaline (basic). pH Testing Strips to test acidity of your formulation! Each booklet has 80 strips. CHOOSE THE CORRECT VARIATION IF THE ITEMS HAS (3) If the item you received is defective, please contact us immediately. Feedback (1)Please kindly leave us a positive feedback (5 stars) , if you are satisfied with our items. And you could share with your friends on Facebook, Twitter...Thanks (2)Please contact us before leaving any negative feedback or open a dispute on Shopee. (3)Please give us the opportunity to resolve any problem.