Red Sea Magnesium Pro – Reagent Refill Kit
The Red Sea Magnesium Pro reagent refill kit is designed for precise measurement of magnesium levels in reef aquariums. This advanced titration test provides accurate readings down to 20 ppm, helping maintain optimal water conditions for coral and marine life.
Product Specifications
| Component | Details |
|---|---|
| Test Type | Titration |
| Accuracy | ±20 ppm |
| Usage | Reef aquariums |
| Brand | Aquaculture Technologies |
| Royal Item Number | ARE21416 |
FAQ
How often should I use the Magnesium Pro test kit?
It is recommended to test magnesium levels every 2 to 4 weeks, depending on water changes and aquarium activity.
Can this refill kit be used with other Red Sea test kits?
Yes, the Magnesium Pro refill kit is compatible with the Red Sea Magnesium Pro test solution and is designed specifically for use with that system.
Is the accuracy of the test affected by water temperature?
Please contact customer service

Kimberly Murray –
I’ve used this refill kit for three months now and it’s been very reliable. The readings are consistent and help me keep my magnesium levels stable. Easy to use and the results match what I see in my tank.
Pippa Wilson –
The test is accurate and much more precise than the older models I used. I appreciate the clear instructions and the small bottle size makes it convenient for regular testing.
Natalie Grant –
This kit has improved my reef tank maintenance. I can now adjust magnesium levels with confidence. The titration method is straightforward and gives consistent results.