Sneak peek at the prototype Calcium Checker from Hanna
The Calcium Checker from Hanna could be the easy-to-use colorimeter for calcium testing that reef aquarists and LFS employees have always dreamed of. For those reef aquarium water testers who are either color blind or lack sensitivity between blue and pink, the gradual color change of all titrated calcium test kits has been a bane Read More
Hanna launches contest, giving away iPad
Hanna Instruments is giving away an iPad and a $100 gift certificate in a new contest the company launched to highlight the simplicity of their “Dip and Test” line of handheld instruments. The company is looking for your video, picture or testimony on your experience with your Hanna “Dip and Test” meter to Hanna’s contest Read More
Hanna Alkalinity Checker gets video treatment
Ever wonder how exactly the Hanna Alkalinity Checker works? The folks at Hanna have released a simple video tutorial putting the handy little product through a test. The Checker line is an affordable way to get a digital, professional reading for the hobbyist without breaking the bank. Even low-end, professional-grade photometers cost several hundred dollars and Read More
Hanna introduces affordable ultra low range phosphate checker
Hanna Instruments added another great product to its small and simple “Checker” line of products with its Phosphorus Ultra Low Range Checker. The new model, HI 736, is similar to the previously released HI 713 Phoshate Checker except taking the reading down to a one parts-per-billion (PPB) resolution, where the original phosphate colorimeter read down Read More
Hanna Phosphate Checker Review: notable compromises still worth the resolution and portability
The Hanna phosphate checker is a green, egg-shaped hand-held colorimeter for portable testing of phosphate concentration with digital precision. If you’re like us, you’ve probably been wondering how Hanna could make such a small and affordable little colorimeter that could even begin to stack up to the accuracy of larger colorimeters from Hanna and others Read More