JBL PROAQUATEST EASY 7IN1 Water Test

The package contains 50 test strips. These test strips measure seven essential water parameters in just one minute:The quick test gives general guidelines for testing aquarium, pond, well, and tap water. Easy to use: Immerse the test strip in water for two to three seconds.Remove the strip and let the water drain off.Compare the test strip to the color chart included in the package after one minute.Read the CO2 value from the table. Determines the following water parameters: chlorine, acidity (pH), hardness (GH), toxic nitrite compound (NO2), algae contributor (NO3), pH stability (KH), nutrients for plants (CO2 concentration according to the chart).