D-D H2Ocean Portable Refractometer Salinity Checker– Seawater Reptile Heating This extruded granulate contains quality

This extruded granulate contains quality ingredients

monitoring and notifications

fast acting pond treatment which cannot be overdosed

accelerated growth and vitality

D-D H2Ocean Portable Refractometer Salinity Checker– Seawater Reptile Heating This extruded granulate contains qualityD D H2Ocean Portable Refractometer Salinity Checker Seawater Some of the refractometers currently available to the aquarium hobby are designed for measuring saltwater (sodium chloride or brine solution) and not true seawater. Although seawater is mostly sodium chloride it also contains other elements such as magnesium and calcium that change the refractive index slightly and will give a slightly different result. The most common symptom of this