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Your cart is empty.HI772 Hanna checker for testing in saltwater applications. The HI772 (Handheld Colorimeter) provides a simple, accurate, and cost-effective way to measure alkalinity in degrees of carbonate hardness, commonly abbreviated as dKH. Critical to marine environments, alkalinity not only provides the carbonate ion required for calcium carbonate skeletal regeneration of coral reefs, but it also acts as a pH buffer against large changes in acidity. Designed as a more accurate alternative to chemical test kits, the HI772 provides quick, accurate results in a few easy steps.
Justin Dancing Hawk
2025-09-02 18:24:06
Very easy to operate & HIGHLY ACCURATE !
Michael L Shepherd
2025-07-23 15:50:49
It's do well made. Great instructions, easy to use and it gives you readings you can trust.If you start to lose fish or corals, then you should have been using this and the rest of the testing products from Hanna
Luis Rodriguez
2025-06-06 12:14:35
Way easier to test with this. Love it!
GR4
2025-04-22 12:57:02
Very accurate and always gets the job done.
David
2025-04-13 12:50:12
Great price and value is a bit high but does it accurately
Saint
2025-04-07 18:48:19
Tests give great instructions and are simple to use. My aquarium and my patience appreciate this kit!
Ryan Johnson
2025-03-28 10:10:08
Easy and tells you your alk in 2 min, no more guessing color.
Shrimpaholic's Aquarium Essentials
2025-01-01 17:18:29
You need this item if tank stability is a priority for you!
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