[As shown]

Easy to use, just immerse the test strip in the test solution for a few seconds to get the pH.
Quantity: 50 pcs/bottle
Test on both ends of the pool twice a week for best results.
Help test the pH of water to indicate the acidity or alkalinity of a substance. for monitoring water quality and identifying potential pollution.
High precision and fast reading
1 universal pH test paper (50 PCS)
Due to the differences between different monitors, the picture may not reflect the actual color of the item. Thank you
Description
No retail packaging
Easy to distinguish: the color difference is obvious, easy to compare the color of the strip with the color table.
The paper is made of high-quality pH test paper, which is very accurate and reliable, and responds quickly within 5 seconds.
It is ideal for testing human pH, drinking water, swimming pools, hot springs, aquariums, science education, laboratory use, hydroponics, etc.
Test water quality
Project Type: Swimming Pool SPA Test Strip
Color as shown
Due to manual measurement, please allow an error of 0-1 cm. Make sure you dont mind before bidding.
Material: Paper.
Immerse in water for instant reading, and put in a container that is easy to store.
Easy to test: free chlorine/bromine, pH, total alkalinity.