RUNBO Aquarium Test Strips 6-in-1 (100 Count) for Fresh/Salt Water Fish Tank or Pond, Easy and Accurate Test Nitrate, Nitrite, General Hardness, Free Chlorine, Carbonate, Ph

RUNBO Aquarium Test Strips 6 in 1 is the optimum water test kit, one strip performs six important tests. In just one minute you¡¯ll know your water¡¯s NO2, NO3, GH, KH, PH, Cl2 levels. The whole set contains one barrel and a refill pack, 100 strips in total. This product is suitable for fish tank and pond. It is important to test your aquarium water weekly to verify good quality. Read instructions carefully before using our product. NO2 in concentrations greater than 1 mg/L and if present for extended periods, is harmful to your fish and could over time lead to the loss of your fish. NO3 in concentrations greater than 50 mg/L is harmful to sensitive fish and additionally promotes algae growth.?It will highly distress your fish and affect the growth of young fish. GH Favourable hardness values are not too high or too low. pH A pH value between 6.5 and 8.5 will be tolerated by most freshwater fish species. Cl2 Chlorine may be present in tap water. It is harmful to fish, damaging their gills and skin, and must not be introduced to the aquarium. KH Ideal range of Total alkalinity is between 120-180 mg/L.