50PCS Water Quality Test Paper Swimming Pool PH Test Strip Pool Test Strip Drinking Water Chemistry Test A too high or too low pH value may be harmful to the use of water. Universal pH test paper is an easy-to-use test kit that can be used to monitor the quality of drinking water, swimming pools, hot springs and aquariums. It is also ideal for testing human pH, science education, laboratory use, hydroponics, etc. With easy-to-read color charts, you can determine up to several parameters (total, pH, total hardness) of the test solution in 1 minute. Let us use the pH value as a reference to keep the water fresh and bubbly clean! What is the importance of pH? pH is a measure of the body's electrical balance and helps body function. High pH makes it difficult for enzymes to function properly, which can lead to. Acidic bodies can cause a decline in the immune system and poor sleep cycles. Therefore, monitoring the pH of water is a key factor in maintaining health. Detectable PH range: 6.8 ~ 8.4. Residual range: 0 ~ 10. Total hardness range: 0-240. feature: Test water quality Helps test the pH of water to indicate the acidity or alkalinity of the substance. Ideal for monitoring water quality and identifying potential pollution. High accuracy and fast reading Made of pH test paper, this paper is extremely accurate and reliable, and responds quickly within 5 seconds. Widely used It is ideal for testing human pH, drinking water, swimming pools, hot springs, aquariums, science education, laboratory use, hydroponics, etc. Easy to use Simply the test strip in the test solution for a few seconds to obtain the pH value. direction: Pull out the paper strip and tear off a small portion of the paper strip for testing. Wait half a second, and then it from the test solution. Compare the color change of the paper with the standard color chart on the packaging box to the pH value. To test the swimming pool, test at both ends of the pool a week for results. specification: Weight: 33g The package includes: 1 x Universal pH test strip (50 PCS)