1 pack of 15-in-1 pH test strips for swimming pools - Pack of 100. Drinking water tester for swimming pools, spas, aquariums, and ponds - pH test strips for water hardness, lead, nitrate, and bromin.

【15-in-1 Pool pH Test Strips】: Aquarium water test kits contain a total of 15 elements. pH, residual chlorine, total chlorine, hardness, total alkali, copper, iron, lead, nitrate, nitrite, carbonate, bromine, iodine, cyanuric acid. Provides results in seconds

【Various Applications】: The test strips are suitable for drinking water, aquariums, fish tanks, swimming pools and spas, industrial water, ponds, and hot spring water testing.

【Professional】: The high-quality water tester features precise color coordination and high sensitivity. Use these professional-grade drinking water test strips to test water quality standards.

【Easy to Use】: Dip the drinking water test strip into the water for 2 seconds, hold it in the air for about 1 minute, then align the color with the bottle to get the reading.

【Easy to Carry】: 100 pieces. Water quality should be tested weekly. Drinking water is easy to handle, even for beginners.