The Best Water Testing Kits For Saltwater Aquariums – Reef Builders Gear Guide

Water testing kits are the foundation of a healthy marine aquarium after all you can’t just look at the water and know what’s going on. Maintaining stable water parameters is the key for fish and corals to thrive, and the…

Hanna Nitrate Checker Review; Extra Effort for a Lot More Accuracy

The Hanna Nitrate Checker is a brand new water testing kit which takes a very different approach to measuring nitrate compared to what is currently available in the aquarium hobby. This low range colorimeter is specially designed to measure NO3…

Hanna Nitrate Checker Coming Soon for the Low Range

The Hanna Nitrate Checker is a long awaited addition to Hanna Instruments’ catalog of trusted digital water testers. The Hanna Phosphate Checker has been the gold standard in accurate, low range measurement of this important nutrient and algae fuel so…

Hanna Salinity Tester Review

Salinity is hands down the most important parameter we test for in a saltwater aquariums, but salinity, and how it is measured, is quite poorly understood. The Hanna Salinity Tester is a new measurement device which is both affordable and…

Salinity Tester from Hanna Instruments is both Accurate & Affordable

The concentration of salt in seawater, known as Salinity, is the single most important factor to having a successful saltwater aquarium. Therefore, we welcome any device that makes reliable and accurate testing of salt concentration any easier, such as the…

Hanna Seawater Refractometer is the Ultimate Way to measure Salinity

I started keeping saltwater tanks in 1996 and since then have used many different tools and instruments to measure salinity. At first it was with floating glass hydrometers, and soon thereafter it was swing arm hydrometers.  These two devices use the…

Halo Bluetooth pH meter from Hanna Instruments works with iPad app

The Halo pH meter is an exciting new chemistry measurement tool from Hanna Instruments that connects to an iPad using bluetooth. The Halo pH meter transmits directly to an iPad application called Hanna Lab essentially turning your Candy Crush gaming…

Hanna Instruments Edge pH meter takes inspiration from modern smartphones

The Edge pH meter from Hanna Instruments is a new highly refined digital testing device which firmly breaks away from the design standards of contemporary laboratory testing equipment. Rather than looking like a blocky and intimidating slab of water testing…

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…

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…