Red Sea Nitrate Pro Salt Water Test Kit
The Red Sea Nitrate Pro Test Kit is an advanced colorimetric test with comparator, designed to measure nitrate levels in reef aquariums with exceptional accuracy down to 0.12ppm NO3.
When used with the Phosphate Pro Kit, this test enables precise dosing of Red Sea’s NO3: PO4- X, a biological nitrate and phosphate reducer that supports the complete Red Sea Reef Care Program.
| Parameter | Value |
|---|---|
| Test Type | Colorimetric |
| Accuracy | 0.12 ppm NO3 |
| Includes | Comparator, Test Strips |
| Compatible With | Phosphate Pro Kit |
FAQ
Can this test kit be used with other brands of aquarium water test kits?
This test kit is specifically designed to work with Red Sea’s Phosphate Pro Kit and is optimized for use within the Red Sea Reef Care Program. Compatibility with other brands is not guaranteed.
How often should I use this test kit to monitor nitrate levels?
For optimal reef health, it is recommended to test nitrate levels every 2 to 4 weeks, or more frequently if you notice signs of stress in your coral or fish.
Is the comparator included in the kit?
Yes, the comparator is included and is essential for accurate reading of the test results.

Ella Fraser –
The Nitrate Pro kit is very reliable and easy to use. I’ve been using it for three months now and the readings are consistent. It works perfectly with my Phosphate Pro kit, and I can now maintain stable nitrate levels in my reef tank.
Grace Thomson –
Accurate and straightforward. The color comparison is clear and the strips don’t fade quickly. I appreciate the precision down to 0.12ppm. A must-have for reef keepers who want to monitor water quality closely.
Harry Henderson –
This kit has made a big difference in my tank’s stability. I used to have spikes in nitrate, but now I can catch changes early and adjust dosing. The comparator is well-designed and helps avoid human error.