16 in 1 test paper can be used for various water quality testing, including tap water, drinking water, water purifier water, kitchen water, outdoor water sources, aquariums, fish tank water, pond water, swimming pool water, hot spring water, SPA spa center water, factory water, hospital water, and treated wastewater from water treatment plants.

【 Testing items 】 Total alkalinity, acidity and alkalinity, carbonate, hardness, cyanuric acid, total chlorine, residual chlorine, bromine, nitrate, nitrite, iron, chromium, lead, copper, mercury, fluoride.

[Product specifications] 50 pieces/tube; 100 pieces/tube.

【 Determination criteria 】 Qualitative and semi quantitative.

【 Test conditions 】 Temperature: 2 ℃ -30 ℃, humidity: ＜ 40%.

Test time: 30 seconds.

【 Accuracy 】 97%+++