Aquarium Systems SeaTest MG Magnesium – 40 Tests
The SeaTest MG Magnesium test kit is designed for accurate measurement of magnesium levels in aquarium water. This essential water parameter test kit includes 40 test strips for regular monitoring of magnesium concentration.
How to Use
- Collect a water sample from the aquarium using a clean container.
- Place one test strip into the water sample for 30 seconds.
- Remove the strip and compare the color change to the color chart provided.
- Interpret the result based on the chart to determine magnesium levels.
Specifications
| Item | Details |
|---|---|
| Test Strips | 40 |
| Test Type | Magnesium (Mg) |
| Usage | Marine and freshwater aquariums |
| Accuracy | ±10% of standard range |
FAQ
How often should I test magnesium levels in my aquarium?
It is recommended to test magnesium levels every 2 to 4 weeks, or more frequently if you are performing water changes or adding supplements.
Can this test kit be used in both freshwater and saltwater aquariums?
Yes, the SeaTest MG Magnesium test kit is suitable for both freshwater and marine aquariums.
Is the test strip reusable?
No, each test strip is single-use and must be discarded after one test.

Heather Forsyth –
The test strips are easy to use and give clear color changes. I’ve been using them for three months and they consistently show accurate magnesium levels. Great for maintaining stable water conditions in my saltwater tank.
Karen Slater –
I found the instructions straightforward and the results match what my aquarium monitor shows. The pack has enough strips for regular testing without needing to reorder often.
Jennifer Jones –
Very reliable test kit. I use it weekly to monitor magnesium, and the color chart is easy to read. No confusion with the results, which helps me adjust my water chemistry properly.