API 5 in 1 Test Strips pH, NO2, NO3, KH, GH 25 count in sealed container

API 5 in Test Strips provide a quick, easy and accurate way to measure 5 important water quality parameter without test tubes or liquids. Just dip into the aquarium and get an instant reading. The strips come packed in a plastic protective vial with snap cap. The vial is lined with moisture absorbing  desiccant layer that insures the strips remain accurate and active.

Key Points:

• One strip measures: pH, NO2 Nitrite, NO3 Nitrate, KH Carbonate & GH General Hardness
• Highly precise color charts for accurate measurement 5 parameters on one strip
• Dip directly into aquarium no vial needed
• Includes helpful tips for correcting unsafe water conditions
• Works with Fresh or Saltwater