salinity

  1. Kaiser

    Recommend me a RODI system

    So my current LFS is being a bit unreliable with my salinity and i've been interested in mixing my own salt for a while now. i currently have a 20g nano reef with a 10g sump, but i'm going to be upgrading soon to a 120ish gallon reef. I'd like to know what a good RODI unit is that won't break...
  2. Kaiser

    Saliny low and it's Christmas Eve!

    I just noticed My salinity is around 1.018 and i don't own a RODI unit yet so I have no way of raising it since it's Christmas Eve and I have no idea if any stores will be open tomorrow, I have about 3 gallons of RO water in a jug so I might be able to mix salt water should I get my hands on...
  3. Thoms_here

    What do you think about inexpensive Salinity Refractometers?

    Hi all, I was wondering what you thought about the inexpensive (usually "ATO" branded) salinity refractometers as far as accuracy, do they last very long, etc. I have a feeling at $19 shipped with a case, they're pretty popular! Thanks!
  4. MarineDepot

    40% off our best-selling Refractometer

    40% off our best-selling Refractometer Black Friday Every Day! TODAY: 40% off MD Refractometer! Aquarium Salinity: How to Measure and Why It's Important
  5. Refractometers And Salinity Measurement

    Refractometers And Salinity Measurement

    Salinity is one of the most important parameters measured in reef aquaria. It controls not only the salt balance between an organism and its surrounding environment, but also the levels of a host of ions in seawater that aquarists neither measure nor control independently. Consequently...
    • Randy Holmes-Farley
    • Article
    • 31 min read
    • chemistry randy holmes-farley reef chemistry reef tank refractometer rhf salinity saltwater saltwater aqarium
    • Category: Reef Chemistry
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