Hanna Calcium Checker HC (HI758)
Take the guesswork out of calcium testing with the Hanna Marine Calcium Checker HC. Unlike traditional titration kits, this handheld colorimeter delivers lab-grade digital readings in seconds—ideal for reefkeepers who demand precision and simplicity.
🔹 Why measure calcium digitally?
Accurate calcium levels (typically 400–450 ppm) are critical for SPS and LPS coral growth, skeletal development, and overall reef health. Visual kits can be subjective—Hanna eliminates human error.
🔹 Key Features:
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Provides direct digital readings in ppm (mg/L)
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High accuracy with a resolution of ±6% of reading
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Simple 3-step testing process: zero, add reagent, read
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Includes cuvettes, reagents for 25 tests, and battery
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Compact, portable, and easy to use—even for beginners
🔹 Ideal for:
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Reef tanks with high calcium demand
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Users seeking precision beyond colour charts
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Monitoring calcium alongside KH and Mg levels
🔹 What’s included:
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HI758 Checker
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Sample cuvettes with caps
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Reagents for 25 tests
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Mixing syringe & instructions
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Battery
Trust Hanna’s digital technology to deliver reliable, objective results—so you can spend more time enjoying your reef, not questioning your test results.