We’ve heard a lot lately about how carbon dioxide emissions are contributing to global warming, which is ravaging (among other habitats) tropical coral reefs. Over the last 40 years, a secondary (though equally potent) carbon-related threat to coral reefs has emerged: ocean [...]
Today I managed to get some hands on time with D&D's new seawater refractometer. For those of you who haven't heard about it yet, it's the only true "seawater" refractometer on the market, and it gets this designation due to its range. To be considered a true seawater refractometer D&D [...]
