description:100% high quality-Good water quality is essential for fish and plants in the aquarium.-Regular testing of water quality values helps ensure that fish are healthy, happy and long-lived.-With the Aqua Quick Test, you can monitor 7 values that are essential for maintaining good water quality: pH (acidity) KH (carbonate hardness) GH (general hardness) NO2 (nitrite) NO3 (nitrate) bromine ( Bromine) and chlorine.-These values determine how healthy your aquarium is. Abnormal values may cause problems such as abnormal growth and reproduction of diseased algae reproduction.-Water quality is the result of many factors, such as: the volume of the aquarium of plant fish, and external factors, such as the filter used, the type of continuous water intake of the filter used, and the lighting time and quantity. Aspecification:-Regular use allows you to discover water quality problems and take corrective measures in a timely manner.-Just immerse the test strip in your aquarium or pond, and then compare the color on the test strip with the color card on the container.-Save trouble.-save time.-Easy to use.-Accuracy.Package Included:1 pack of 50