Red Sea Calcium Pro Saltwater Test Kit
The Red Sea Calcium Pro Test Kit provides precise measurement of calcium levels in your reef aquarium with an accuracy of 5 ppm. Ideal for maintaining optimal calcium concentrations to support coral health and growth.
Designed for use with Red Sea’s Reef Foundation A (calcium/strontium) and Coral Colors supplements, this test kit ensures accurate dosing as part of the complete Red Sea Reef Care Program.
Key Features
- High-precision calcium titration test
- Accuracy of 5 ppm
- Includes professional titrator for single-hand operation
- Designed for reef aquariums
| Component | Details |
|---|---|
| Test Kit Type | Calcium Titration |
| Accuracy | 5 ppm |
| Includes | Professional Titrator |
| Compatible With | Reef Foundation A, Coral Colors |
| Brand | Aquaculture Technologies |
| Royal Item Number | ARE21405 |
FAQ
How accurate is the calcium measurement provided by this test kit?
The test kit measures calcium levels with an accuracy of 5 ppm.
Can this test kit be used with other calcium supplements besides Reef Foundation A and Coral Colors?
The kit is specifically designed for use with Red Sea’s Reef Foundation A and Coral Colors supplements. Compatibility with other products is not guaranteed.
Is the titrator easy to use for beginners?
Yes, the titrator is designed for single-hand operation and is easy to use, making it accessible for both novice and experienced aquarium keepers.

Isaac Marshall –
This test kit has been a game-changer for my reef tank. The calcium readings are very consistent and the titrator is simple to use. I can now maintain stable calcium levels without guesswork.
Dominic Grant –
Accurate and reliable. I’ve used it for several months now and it matches the recommended calcium levels in my tank. The titrator is precise and doesn’t require much effort to operate.
Edward Walsh –
The only thing I appreciate is how clear the instructions are. I’m new to reef keeping, and this kit helped me understand calcium dosing better. It’s a must-have for any reef aquarium.
Connor Short –
I’ve tried several calcium test kits before, and this one stands out for its precision. The 5 ppm accuracy is impressive and helps me avoid over-dosing.
Charles Sharp –
Works perfectly with my Reef Foundation A supplement. The titrator is compact and easy to store. I trust the readings and feel confident in maintaining my tank’s chemistry.