Trust Refractometer or Hydrometer

refracr.jpeg


Posted this before but will throw it up again. Two meters out of the box. Both have acceptable readings at 35ppt but if either was calibrated for zero it would have decreased the accuracy at 35ppt considerably
 

TOP 10 Trending Threads

WHICH SUPPOSEDLY EASY CORAL HAS GIVEN YOU THE MOST TROUBLE?

  • Zoanthids or palythoas

    Votes: 20 19.0%
  • Mushrooms or Ricordea

    Votes: 20 19.0%
  • Green star polyps

    Votes: 15 14.3%
  • Xenia

    Votes: 10 9.5%
  • Leather corals

    Votes: 10 9.5%
  • Duncan or candy cane corals

    Votes: 22 21.0%
  • Birdsnest or Montipora digitata

    Votes: 29 27.6%
  • None—mine have lived up to the reputation

    Votes: 5 4.8%
  • Other (tell us which one)

    Votes: 3 2.9%
Back
Top
Home
Post thread…
Market
What's new