Hanna Instruments Core Parameters Kit 772 Alk, 758 Calcium, 783 Magnesium) Checker HC (Saltwater)

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. Measures alkalinity in degrees of calcium hardness (dKH) Ideal for coral growth and pH stability Takes less than two minutes to test Built for reefers tired of guessing blue from blue-ish How It Works: Zero the checker Add the reagent Insert the vial 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. Measures calcium in ppm—no more color matching drama Supports coral skeletal development and overall growth Great alternative to finicky liquid test kits 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. Accurately measures magnesium from 1000 to 1800 ppm Ideal for both reef tanks and fish-only setups Delivers consistent digital results with no test kit guessing games 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. No more comparing shades of purple, pink, or confusion All checkers use the same four-step process 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.             Suggested Hanna Instruments Products Explore the Hanna Alkalinity Checker (HI772 dKH Colorimeter) for precise carbonate hardness readings in reef systems. Fine-tune nutrient control with the Hanna Phosphorus Checker HC (HI736), a trusted tool for ultra-low phosphate detection. Keep nitrates in check using the Hanna Marine Nitrate High Range Reagent 25 Pack (HI782-25) for consistent test results. Monitor essential minerals with the Marine Magnesium Checker (HI783) to balance reef chemistry. Get reliable nitrate readings using the Hanna Nitrate Handheld Colorimeter (HI782), built for hobbyists and professionals alike.             Shop the collection of Hanna Instruments items Test Your Saltwater for Multiple Parameters Filter and skim your water for waste and debris Tanks, tech, and tips on our Reef2Reef profile View  our Instagram content daily and Follow us to see Fish, setups, and coral! Product releases, content, and  news, Like us on Facebook