API Saltwater Calcium Test Kit
Helps monitor calcium levels and prevent invisible water problems that can be harmful to coral and crustaceans.
Accurately detects calcium levels from 0 to 4 ppm.
Prevents low calcium levels, which can inhibit the growth of corals and crustaceans.
Recommended for weekly monitoring and when water conditions or aquatic life issues appear.
| Parameter | Range |
|---|---|
| Calcium Level Detection | 0 – 4 ppm |
FAQ
How often should I use this test kit?
Use the test kit weekly for regular monitoring, or more frequently when you notice changes in water conditions or signs of aquatic life stress.
What does low calcium do to corals and crustaceans?
Low calcium levels can inhibit the growth of corals and crustaceans, making them more vulnerable to health issues and structural weakness.
Can this test kit detect other water parameters besides calcium?
Please contact customer service

Benjamin Gibson –
This test kit has been very reliable for tracking calcium levels in my reef tank. I use it weekly and it helps me catch drops in calcium early. The instructions are clear and the results are consistent.
Jane Ince –
Good accuracy and easy to use. I noticed my corals started growing better after I started monitoring calcium regularly with this kit. It’s a small but important tool for reef keeping.
Rose Cornish –
The test is simple and gives clear results. I’ve used it for three months now and it’s helped me maintain stable calcium levels. No false readings so far.