Description Do you know that all kinds of leaves, grass, dust, rain, etc. will pollute the swimming pool? Poor water quality can cause damage to disease and swimming pool equipment. Therefore, it is very important to test the water quality of the pool and drink water regularly. Keeping pools cleaning is another keep human body health. Features - Color: Assorted. - Material: PET. - Size: About 14x0.3x0.1cm/5.51x0.12x0.04 inch. - 50 pcs test strips with 14-in-1 effect, durable and practical. - Suitable for various occasions, it can testing total , free , , hardness, cyanuric acid, pH, alkalinity. - Come with proper seal storage bottle. Portable size and easy to carry out. - Each pool test strip provides accurate results for any water sources including spas and hot tubs for periodical testing and monitoring. - Fast test and clear pattern reading. 50 pcs test strips with 14-in-1 effect, durable and practical. Suitable for various occasions, it can testing total , free , , hardness, cyanuric acid, pH, alkalinity. Come with proper seal storage bottle. Portable size and easy to carry out. Each pool test strip provides accurate results for any water sources including spas and hot tubs for periodical testing and monitoring. Fast test and clear pattern reading.