Ensures that the nitrate levels in your tank are safe and healthy for your fish.
High nitrate levels in your aquarium indicate a build-up of fish waste and organic compounds, resulting in poor water quality and an increase in algae growth. Contrarily, maintaining a low nitrate level improves the health of fish and invertebrates.
Use the API® Nitrate Test Kit to ensure that the nitrate levels in your tank are safe and healthy for your fish. The Nitrate Test Kit reads parameters from 0 to 160 ppm, and contains 2 bottles of liquid test reagent, 2 color cards for easy comparison, 1 glass test tube with a snap-tight cap, and step-by-step instructions on how to correct unsafe conditions. It may be used for both fresh and saltwater aquariums.
| Parameter | Details |
|---|---|
| Test Range | 0 to 160 ppm |
| Reagent | 2 bottles of liquid test reagent |
| Color Cards | 2 color cards for easy comparison |
| Test Tube | 1 glass test tube with snap-tight cap |
| Usage | Both freshwater and saltwater aquariums |
FAQ
Can this test kit be used in both freshwater and saltwater aquariums?
Yes, the API Nitrate Test Kit is suitable for both freshwater and saltwater aquariums.
What is the maximum nitrate level this kit can detect?
The kit can detect nitrate levels up to 160 ppm.
How many tests are included in this kit?
This kit includes 90 tests.

Vanessa Pullman –
I’ve used this kit for several months now and it’s very reliable. The color comparison is easy and the instructions are clear. My tank has stayed stable with low nitrate levels, which helps keep my fish healthy.
Jack McDonald –
The test results are consistent and the kit is easy to use. I appreciate the inclusion of both reagent bottles and color cards. It’s a small but effective tool for maintaining good water quality.
Victoria Thomson –
I switched from a cheaper brand and this one has proven more accurate. The test tube is sturdy and the color change is visible even in low light. Great for both my freshwater and saltwater tanks.