#hannainstruments

Looking to upgrade your Checker? Get our HI83303 Aquaculture Photometers The HI83303 doubles as a professional pH meter with its digital pH/temperature electrode input. Now one meter can be used for both photometric and pH measurements. You can Log data, export results and the HI83303 has a...

Electrodes, probes and meters are quickly becoming the industry standard for testing many critical parameters in the reef aquaria. Electrodes are both easy to use yet complex pieces of analytical instruments at a molecular level. From controller systems to handheld digital meters, all electrodes...

Are you making errors when measuring pH? Proper technique in pH measurement can seem overwhelming when you are first starting to take measurements. Questions like, How often should I calibrate? and When should I replace my electrode? are common for anyone starting a pH measurement process. The...

The HI96822 is a rugged, portable digital refractometer designed for the measurement of salinity of natural or artificial seawater. The HI96822 displays results in three popular measurement units: Practical Salinity Units (PSU), salinity in parts per thousands (ppt) and specific gravity (S.G...

8 Best Practices for Using Your Hanna Marine Checker Testing the levels with your Checker – like alkalinity, calcium, nitrite and more – may seem to be a cut-and-dry process, but there are a lot of small things that can happen during testing which negatively impact your results. Follow these...