Refractor and Hydrometer

She mentioned she has a skimmer producing lots of micro bubbles I suspect thats what was going on. Differences in bubbles on the swing arm.
 
She mentioned she has a skimmer producing lots of micro bubbles I suspect thats what was going on. Differences in bubbles on the swing arm.

If some samples had more bubbles, that can certainly mess with salinity measurement.
 

IF YOU HAD TO TAKE A REEFING EXAM, WOULD YOU PASS?

  • Yes!

    Votes: 32 45.7%
  • Not yet, but I have one that I want to buy in mind!

    Votes: 9 12.9%
  • No.

    Votes: 26 37.1%
  • Other (please explain).

    Votes: 3 4.3%

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