Hanna Instruments Core Parameters Kit (772 Alk, 758 Calcium, 783 Magnesium) Checker HC (Saltwater)
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Hanna Instruments Core Parameters Kit – Test Like a Pro Without a Lab Coat
Keeping coral happy isn’t just about good lighting and water flow. The Hanna Instruments Core Parameters Kit brings lab-level precision into your hands for monitoring alkalinity, calcium, and magnesium. With these compact digital checkers, you’ll swap frustration for four easy steps—and finally stop second-guessing your test kits.
HI772 Hanna Instruments Alkalinity Checker HC – Your pH Buffering Sidekick
Stable alkalinity keeps your reef from going off the rails. The HI772 makes it stupid-simple to check your dKH levels without messy color charts.
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Measures alkalinity in degrees of calcium hardness (dKH)
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Ideal for coral growth and pH stability
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Takes less than two minutes to test
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Built for reefers tired of guessing blue from blue-ish
How It Works:
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Zero the checker
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Add the reagent
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Insert the vial
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Read your result like a boss
Hanna Instruments HI758 Calcium Checker HC – Because Skeletons Matter
Tired of reading pinkish-lavender-purple test kits by candlelight? The HI758 gives you a digital readout so you know exactly where your calcium levels stand.
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Measures calcium in ppm—no more color matching drama
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Supports coral skeletal development and overall growth
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Great alternative to finicky liquid test kits
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Follows the same ZAIR method: Zero, Add, Insert, Read
Hanna Instruments HI783 Marine Magnesium Checker HC – The Unsung Hero
Magnesium might not get the spotlight, but it's the backstage pass for healthy reef chemistry. The HI783 is the only handheld magnesium checker that works with the Beer-Lambert principle—yeah, it’s science-y and awesome.
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Accurately measures magnesium from 1000 to 1800 ppm
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Ideal for both reef tanks and fish-only setups
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Delivers consistent digital results with no test kit guessing games
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Helps stabilize calcium and alkalinity levels by keeping magnesium in check
Why Hobbyists Actually Use This Kit (and Stick With It)
Let’s be honest: testing water sucks... unless it's quick, clear, and reliable. This kit is perfect for reefers who want dependable results without wasting an entire evening doing chemistry homework.
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No more comparing shades of purple, pink, or confusion
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All checkers use the same four-step process
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Compact, digital, and surprisingly addictive
Final Word: Make Testing Less of a Chore and More of a Win
With the Hanna Instruments Core Parameters Kit, you’ll finally take control of your reef’s core parameters without guessing or squinting. Whether you’re chasing SPS growth or just trying to keep your zoas happy, this kit delivers quick, accurate, and no-fuss results.
Featured in Reef2Reef
The Core Parameters kit has made its way into our Hot Sellers List on Reef2Reef, and for good reason. It offers reliable testing for alkalinity, calcium, or magnesium all in the palm of your hand. This essential kit takes the guesswork out of routine saltwater testing so you can spend your time more freely on other activities!Quick LInks:
- Shop the collection of Hanna Instruments items
- Test Your Saltwater for Multiple Parameters
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