A couple years ago we were really thrilled when D-D came out with the first ever aquarium refractometer that is calibrated for seawater salinity, a true aquarium salt measurement device that trumped all the salt-water refractometers that we were using…
New Red Sea Seawater Refractometer to others, “You Have it All Wrong!”
A new Red Sea Seawater Refractometer is setting the bar a bit higher for other refractometers. Many of us started out in the hobby with a hydrometer of some sort and when we graduated to the refractometer, it was like night and…
