066E 5 Pack pH Test Paper Strips 400 Strips PH Test Strips 0 5-5.0 Indicator Paper Lab Litmus Tester Water Food Pool Aquarium OOTDTY Features: 100% and high quality Short-Range: 0.5-5.0. Keep dry for the remaining paper. There are 5 sets, total 400 strips, metting all kinds of needs. Simply pre the test strip onto the object or liquid to be tested. Take out the paper half a second later and compare the colour change of the paper using the included colour chart to find the acidity. level of your test object. Cannot display the acid or alksolution if its density is below 0.01%. Specification: Material: Paper Size: 5x1cm/ 1.97x0.39 in?each strip? Package Includes: 400 Pcs pH Test Strips note: Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. About shipping Shipping and Packaging All itwill be double checked and well packed before sending.Itwill be dispatched within 2 business days after buyers pay for the order. It usually takes about 14 to 18 working days for delivering the package to the destination(for remote areas,it may take a little longer).?Special Announcement: Please fill in the correct and detailed consignee, address and phone number in the order. For fast and correct delivery.If you do not receive order within 30 working days,please feel free to contact Customer Service before leaving Negative and Neutral Feedback, we will do our best to help you resolve the problem.TaxNo, you will only pay what is quoted as total cost at checkout, no more. You are not expected to pay any additional duties ores. If you are asked by Customs or our logistic partner to pay duties, please contact our Customer Service .Your 100% satisfaction is very ant to us If the product is not on good condition, You can return this product within 14 working days, please contact customer service center before returning.FeedbackYour satisfaction is our first priorityIf you receive the order and it is in good condition,we would be grateful if you would leave us 5 star Positive Feedback for the transaction.