7 in 1 Pool water test strips

* 【7 in 1 Pool Testing Strips】You can test your swimming pool & spa about Hardness, Total alkalinity, Cyanuric Acid, Total Chlorine, Free chlorine, Bromine, pH at a time. Keep your water in a healthy & clean condition year-round
* 【Easy to Use and Read】 Just dip a strip in water 2 seconds, take it out and wait for 15 seconds, compare each panel color change of the color chart on the side of the bottle, then you can get the accurate results of water quality.
* 【Premium Quality The pool test strips 100 counts is made of high-quality imported filter paper. Each hot tub test strips with 7 colors indicators, high accurate and reliable instant reading.
* 【Easy-To-Store】These spa test strips were packed in an easy-to-store container. 100 strips/barrel , each barrel was sealed well to ensure the spa test kit can be stored for 2 years.