Dymax Refractometer CLEANING EQUIPMENT Shaking is not required

Shaking is not required

Measures the level of calcium in your reef aquarium

a second filter can be screwed into the holding ring to allow for stacking multiple Lenses

especially red

whereas the larger ones can choose from three savory granules

Dymax Refractometer CLEANING EQUIPMENT Shaking is not requiredDymax Refractometer DYMAX REFRACTOMETER is made of high quality anti corrosion material that provides reliability and reads salinity instantly and accurately due to its high resolution display focused to relevant range of reef aquarium. Dymax RF 20 Refractometer is a scale device that helps to read salinity of salt content in water by using a calculation of mathematical algorithm that relates the measured refraction against its concentration for a