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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.
Shrimpaholic's Aquarium Essentials
Reviewed in the United States on March 6, 2025
You need this item if tank stability is a priority for you!
Luis Rodriguez
Reviewed in the United States on January 19, 2025
Way easier to test with this. Love it!
Justin Dancing Hawk
Reviewed in the United States on January 14, 2025
Very easy to operate & HIGHLY ACCURATE !
Ryan Johnson
Reviewed in the United States on September 28, 2024
Easy and tells you your alk in 2 min, no more guessing color.
Saint
Reviewed in the United States on September 22, 2024
Tests give great instructions and are simple to use. My aquarium and my patience appreciate this kit!
David
Reviewed in the United States on December 28, 2024
Great price and value is a bit high but does it accurately
Michael L Shepherd
Reviewed in the United States on November 25, 2024
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
GR4
Reviewed in the United States on October 21, 2024
Very accurate and always gets the job done.
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