Hanna HI772 checker Saltwater Aquarium Alkalinity Colorimeter Checker Tester
Original price was: $74.99.$58.90Current price is: $58.90.
Price: $74.99 - $58.90
(as of Oct 22, 2025 13:32:36 UTC – Details)
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.
Package Dimensions : 7.64 x 4.96 x 2.64 inches; 12.63 ounces
Item model number : w772
Date First Available : May 24, 2024
Manufacturer : WLR Industries
ASIN : B0D7K2B7RW
Best Sellers Rank: #24,142 in Pet Supplies (See Top 100 in Pet Supplies) #29 in Aquarium Test Kits
Customer Reviews: 4.9 4.9 out of 5 stars 76 ratings var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });
Hanna Checker HI772 – Alk Checker Tester is designed for direct measurement of Alkalinity
Compact Design: With its compact and portable design, this meter is perfect for on-the-go testing in various applications.
MULTI USE – Ideal for aquariums and marine biology applications.
Our portable handheld colorimeter goes where you go.
Easy Operation: Features a user-friendly interface with simple button operation, making it easy to navigate and take measurements.
Customers say
Customers find the alkalinity checker accurate and easy to use, with one mentioning it completely eliminates guesswork. The product is well-built and effective, with one customer noting results are almost instantaneous.
8 reviews for Hanna HI772 checker Saltwater Aquarium Alkalinity Colorimeter Checker Tester
Add a review
Related Products
Original price was: $74.99.$58.90Current price is: $58.90.
Michael L Shepherd –
When you want the correct information
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
Justin Dancing Hawk –
WORKS GREAT! I plan to buy other parameter meters as well.
Very easy to operate & HIGHLY ACCURATE !
Luis Morales –
Great Product
Great Product
RonT –
Alkalinity Testing Made Simple
Absolutely love this alkalinity checker! Itâs quick, accurate, and completely eliminates the guesswork. No more trying to match tricky color chartsâjust a clear digital reading every time. A must-have tool for any serious reef keeper.
Saint –
Easy and accurate
Tests give great instructions and are simple to use. My aquarium and my patience appreciate this kit!
Karen N –
Cant own a reef tank without one of these
I love this checker! Results almost instantaneously!
M. X. –
Good
So far, so good. It might be a good idea to store the buffer in Refr.
Dor –
great
great