JBL ProAquaTest Easy 7 in 1, 21 g

Test strips for testing 7 important water values in 1 minute: quick test for aquarium, pond, well and tap water Easy to use: dip into the water for 3 seconds, drain off & compare on colour scale. Read CO2 value off table Determination of: Cl, acidity (pH), general hardness (GH), nitrite (NO2), nitrate (NO3) carbonate hardness (KH), CO2 Further tests for phosphate or ammonium/ammonia etc. are available as individual tests in the JBL program Package contents: test strips EasyTest 7 in 1 with colour scale and CO2 table. Contents: 50 test strips