1. Dae

    Automated Parameter Reader Advice

    Hello, I was wondering what your experience with the different brands that have testers that can give you real time updates on important parameters in your reef tank. The ones I have been looking at are Neptune's systems, GHL, Reef Factory and Reef Bot. Does anyone have a suggestion on what...
  2. Measuring Salinity / Specific Gravity in Aquariums

    Measuring Salinity / Specific Gravity in Aquariums

    Salinity Measurements for Marine Aquariums @Jay Hemdal Introduction The fundamental difference between freshwater and marine aquariums is of course, their respective salt content. The salt level is usually reported as either salinity (parts per thousand of salt in water) or specific gravity...