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Hanna Checker (Salinity & Calcium)

Corey Dufrene

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Salinity only used a few times. $55 shipped or $65 shipped with box of 20 calibration packets. Calcium used but in good condition. Enough reagent for 15 tests (exp. 4/2023). $40 shipped.

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hqn77

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I'm putting my name on the list if other deals fall through.
 

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: 42 31.3%
  • I occasionally look for signs of invertebrate stress in my reef tank.

    Votes: 31 23.1%
  • I rarely look for signs of invertebrate stress in my reef tank.

    Votes: 27 20.1%
  • I never look for signs of invertebrate stress in my reef tank.

    Votes: 34 25.4%
  • Other.

    Votes: 0 0.0%
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