Description
The Red Sea Calcium (Ca) Pro – Titrator Test Kit provides reef keepers with a highly accurate and easy-to-use method for measuring calcium levels in marine and reef aquariums. Calcium plays a critical role in coral skeletal growth, coralline algae development, and overall reef stability. Without precise testing, maintaining consistent calcium levels becomes difficult.
Red Sea designed the Calcium Pro test kit for hobbyists who require laboratory-grade accuracy without complex procedures. The titration method delivers clear, repeatable results with a resolution suitable for even demanding SPS-dominated reef systems. As a result, reef keepers can make confident dosing decisions and avoid parameter swings that stress corals.
The kit uses a straightforward colour-change titration process. Reef keepers simply add reagents step by step until the sample reaches the end-point colour. The included precision titrator syringe allows for exact reagent measurement, ensuring consistent and reliable readings every time. Because of this controlled process, test results remain accurate across repeated tests.
Red Sea Calcium Pro integrates seamlessly into the Reef Care Program and works alongside Red Sea Foundation supplements and other Pro test kits. Regular calcium testing helps reef keepers maintain balanced relationships between calcium, alkalinity, and magnesium. In addition, consistent testing supports stable long-term coral growth and colouration.
The clear instructions and high-quality components make this kit suitable for both experienced reef keepers and those developing more advanced reef maintenance routines. With frequent testing, reef aquarists can fine-tune supplementation and maintain calcium levels within natural seawater ranges.
Overall, the Red Sea Calcium (Ca) Pro – Titrator Test Kit delivers accuracy, reliability, and ease of use. It provides an essential tool for reef keepers who want precise calcium control and long-term reef health.
Technical Specifications
Testing Performance
Test Method: Advanced titration with colour change end-point
Measurement Range: Approx. 380–500 ppm Ca
Resolution: 5 ppm Ca
Accuracy: High precision, laboratory-grade results
Kit Contents
Reagents for calcium testing
Precision titrator syringe
Glass test vial
Colour reference chart
Instruction manual
Compatibility & Use
Suitable For: Marine and reef aquariums
Reef Types: SPS, LPS, soft coral, and mixed reefs
Program Compatibility: Red Sea Reef Care Program & Foundation supplements
Testing Frequency
Recommended for regular monitoring, especially in SPS or high-demand systems
Supports accurate dosing of calcium supplements
Storage & Safety
Storage: Store reagents tightly closed in a cool, dry place
Handling: Avoid skin and eye contact; wash hands after use
Aquarium Use Only: Not for human consumption

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