The Hanna HI758-26 Marine Calcium Reagents are the genuine replacement reagent set for the Hanna HI758 Marine Calcium Checker HC. Designed specifically for marine and reef aquarium testing, they allow you to continue measuring calcium accurately without replacing the full checker.
Each pack provides enough reagent for approximately 25 calcium tests, making it ideal for regular reef aquarium maintenance and monitoring.
Key Features
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Genuine Hanna replacement reagents
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Designed for the HI758 Marine Calcium Checker HC
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Provides approximately 25 tests
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Measures calcium in the 200–600 ppm range
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Suitable for saltwater and reef aquarium testing
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Pre-prepared reagents for consistent testing
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Lot number and expiry date marked for traceability
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Ideal for ongoing reef aquarium calcium monitoring
Why Test Calcium?
Calcium is an important parameter in marine and reef aquariums, particularly in systems containing stony corals and other calcifying organisms.
Regular testing allows you to monitor calcium consumption and make informed adjustments to dosing or supplementation rather than relying on estimates.
Compatible With
Hanna HI758 Marine Calcium Checker HC
This is a replacement reagent pack only. The Hanna HI758 Checker is sold separately.
Test Range
200–600 ppm calcium
Number of Tests
Approximately 25 tests
Important Testing Information
For best results, follow the testing procedure supplied with the HI758 Marine Calcium Checker HC.
Check the reagent lot number and expiry date before use and store the reagents according to Hanna’s instructions.
Perfect For
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Reef aquariums
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Marine aquariums
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Regular calcium monitoring
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SPS and LPS coral systems
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Reef keepers using calcium supplementation or dosing
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Replacing used reagents from the Hanna HI758 Checker kit
