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Hanna Phosphate and Phosphate ULR Checkers for Sale

BostonReefer300

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One never used Hanna Phosphate Checker (HI713) and 50 tests. $25 plus whatever shipping method you prefer unless Boston area handoff.
One barely used Hanna ULR Phosphate Checker (HI774) and 50 tests. $40 plus whatever shipping method you prefer unless Boston area handoff.
Payment by Venmo, Zelle, or PayPal (or cash if local).
 

High pressure shells: Do you look for signs of stress in the invertebrates in your reef tank?

  • I regularly look for signs of invertebrate stress in my reef tank.

    Votes: 33 31.1%
  • I occasionally look for signs of invertebrate stress in my reef tank.

    Votes: 25 23.6%
  • I rarely look for signs of invertebrate stress in my reef tank.

    Votes: 20 18.9%
  • I never look for signs of invertebrate stress in my reef tank.

    Votes: 28 26.4%
  • Other.

    Votes: 0 0.0%
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