API Nitrate Test Kit – Freshwater and Saltwater
Measures nitrate levels in both freshwater and saltwater aquariums. Tests nitrate levels from 0 to 160 P.P.M. Includes 90 tests per kit.
How to Use
- Collect a water sample using a clean container.
- Add the appropriate reagent to the sample as instructed.
- Wait for the color change and compare to the color chart provided.
| Test Range | Number of Tests |
|---|---|
| 0 to 160 P.P.M. | 90 |
FAQ
Can this test kit be used for both freshwater and saltwater aquariums?
Yes, this kit is designed to measure nitrate levels in both freshwater and saltwater aquariums.
What is the maximum nitrate level this test kit can detect?
The kit can detect nitrate levels up to 160 P.P.M.
How many tests are included in one kit?
Each kit includes 90 tests.

Lillian White –
The test kit works reliably and is easy to use. I’ve used it in both my freshwater and saltwater tanks. The color changes are clear and the results match what I see in my tank’s water quality reports.
Blake Carr –
Good value for the number of tests. It’s simple to follow and gives accurate readings. I noticed a slight variation in color intensity between samples, but it’s not a major issue.
Sue Ferguson –
I’ve been using this kit for over a month now and it’s consistent. The instructions are clear and the test strips are durable. It helps me maintain stable nitrate levels in my saltwater tank.