3-In-1 Ph Test, Paper Pool Water Quality Total Alkalinity Hardness Pool Clean Water Ph Test Strip

Our pool test strips 3 in 1 contain aspartate Blue, stabilizer. It can detect whether the water quality is up to standard and protect your life and health. Its use is simple: Immerse the test strip in water for 2S, hold it in the air for 15 seconds, and compare the pool test strip with the color map on the bottle. It is also possible to test total alkalinity, chlorine and pH tests.