Complete 9-in-1 Water Test Kit: This test kit contains 50 test strips that analyze 9 important parameters in water: hardness, free chlorine (or bromine), copper, iron, nitrate, nitrite, pH value, carbonate, and total alkalinity. Perfect for pools, spas, aquariums, and drinking water.

Professional Accuracy: Made with high-quality test paper that provides quick and reliable results. Each strip is designed to minimize errors and ensure stable readings.

Easy to Use: Simply dip the strip in water for 1 second, remove it, and hold it horizontally for 15 seconds. Then compare the colors with the reference chart on the packaging for a quick and clear analysis.

Reliable and Practical: Each test strip is designed for easy reading without the need to shake off excess water. A convenient and effective tool to ensure clean and safe water.

Versatile Application: Suitable not only for pool and spa water, but also for drinking water and other water sources. With a single strip, you can analyze several important parameters and always have control over water quality.