API Nitrate Test Kit API Nitrate Test Kit is a freshwater and saltwater aquarium liquid test kit that measures nitrate from 0 to 160 ppm, helping aquarists monitor organic waste buildup, algae risk, and long-term water quality. API Nitrate Test Kit for Freshwater and Saltwater Nitrate Monitoring Nitrate is produced as beneficial bacteria convert ammonia and nitrite through the aquarium nitrogen cycle. While nitrate is less immediately toxic than ammonia or nitrite, elevated levels can indicate excess organic waste, contribute to algae problems, and stress fish or invertebrates over time. Liquid Nitrate Testing from 0 to 160 ppm for Aquarium Maintenance Measures total nitrate from 0 to 160 ppm. Suitable for freshwater and saltwater aquariums. Useful for weekly water-quality monitoring. Helps identify organic waste buildup from fish waste, uneaten food, and decaying matter. Supports better decisions around water changes, feeding, stocking, and filtration maintenance. Helpful for troubleshooting algae growth and poor long-term water quality. Liquid reagent format provides a focused nitrate reading for routine aquarium care. API Nitrate Test Kit Use and Reading Notes Product type: liquid nitrate test kit Test range: 0-160 ppm Use for: freshwater and saltwater aquariums Recommended frequency: weekly for routine monitoring Sample size: 5 ml of aquarium water Read against the nitrate colour card after the required development time. Rinse the test tube immediately after use to help prevent reagent staining. API Nitrate Test Kit Directions Rinse the test tube with clean water before testing. Fill the test tube with 5 ml of aquarium water. Add Nitrate Test Solution #1 according to the instruction booklet and mix as directed. Shake Nitrate Test Solution #2 thoroughly before adding it, as this step is important for accurate results. Add Nitrate Test Solution #2 according to the instructions, then cap and shake the test tube as directed. Wait for the colour to develop and compare the result to the nitrate colour card in good lighting. Do not pour used test solution back into the aquarium. What's Included API nitrate test solutions One capped test tube One instruction manual One colour card
