- Number of Tests: Approximately 50–100 per kit depending on tank calcium levels
- Measurement Resolution: 10 mg/L increments
- Accuracy: Effective accuracy around 10 mg/L with sharp colour change endpoint
- Method: Colorimetric titration — Ca‑1 reagent indicator and Ca‑3 titrant added dropwise until blue endpoint
- Target Calcium Range: Ideal target levels are 400–450 ppm, reflective of natural seawater (≈415 ppm)
- Suitable For: Marine and reef aquariums with corals or calcifying organisms
- Readability: User-friendly design, quick results in just a few minutes
- Reliability: Consistently trusted by reef hobbyists and professional sources for stable and dependable results
Sale!
Salifert Calcium Test Kit
Original price was: $14.69.$11.74Current price is: $11.74.
Free shipping on orders over $50Availability: 44 in stock









