16 in 1 Water Quality Test Kit Hofun water quality test strips have 16 main functions, including: PH, mercury, lead, iron, copper, total alkalinity, hardness, nitrite, nitrate, bromine, free chlorine, total chlorine. , fluoride, chromium/Cr, carbonate, cyanuric acid, covering the main factors that can contaminate swimming pools, spas or the quality of drinking water. [ADDITIONAL ACCESSORIES & EASY TO USE] The Hofun spa test kit is gentle enough to be equipped with a dropper and a dropper. Test tube, to avoid water pollution, more convenient to use. [Widely Used Water Quality Test Kit] Hofun 16 in 1 water quality test strips can be applied to many kinds of water quality testing, such as drinking water quality testing, swimming pool, hot tub, spa, pond, aquarium, industrial waste water, ETC. [Most accurate and precise; Scientific Water Quality Test Tapes Hofun has been specializing in test and measurement area for many years, adopting the most reliable measuring tape on our products to ensure the accuracy of water quality testing. water. [EXCELLENT QUALITY-PRICE RATIO] - The Hofun 100 drinking water test kit is absolutely economical and lasts 6 months if tested 2 times a week. It is also very convenient to use and saves time. Note: The data is all manual measurement, please allow 1 - 3cm error, due to the difference in light and display, there will be a certain color difference, depending on the physical object received Delivery quantity: (according to the main image)