INKBIRDPLUS Pool Test Strips 100 Count - 7 Way Pool Chemical Testing Kit for Chlorine, pH, Bromine, Cyanuric Acid, Hardness and Alkalinity Test Strips for Pools and Spas

【Super Easy & Fast】 Simply dip the strip in water and compare the test strip colors with the included comparator on the bottle. Our test strips NO COLOR BLEEDING that provides clear, instant, and reliable results.
【7-IN-1 pool and spa test strips】 Total hardness, total chlorine, free chlorine, bromine, pH, total alkalinity, and cyanuric acid. These pool water test kit can keep your swimming pool/ Hot Tub water clean and crystal clear.
【100 Strips】 Save a hundred times of frequent trips to the pool store. Swimming pool test strips can help you maintain the water in a healthy condition and make sure there is no harm to you and your family.
【Widely Applications】 These strips are widely used for swimming pool, spa, bath, hot tub. Researches show that you should test your pool and spa at least twice a week, so you can monitor your water quality at regular intervals.
【Long Term of Usage】 All test strips are well stored in the bottle, maintaining their freshness and durability. They can last for 2 years in a cool environment avoiding the light.