How To Use A Refractometer For A Saltwater Aquarium

For those who are new to the word, a refractometer is a tool that helps determine the exact salt levels in an aquarium. The Ultimate Guide To Saltwater Fish… Refraction is the change in the direction of light as it beams through the water. Refractometers measure the extent to which light in an aquarium changes …

How To Use A Refractometer For A Saltwater Aquarium Read More »