Does salinity rise over time?

Rmckoy

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Mine is always a little lower .

saltwater mix is 1.026 for water changes but to test the water in the tank is 1.024-1.025

partially from testing , removing salt water to test , ato and replacing what’s taken out from the skimmer .
 

Freshwater filter only or is it? Have you ever used an HOB filter on a saltwater tank?

  • I currently use a HOB filter on my reef tank.

    Votes: 34 29.3%
  • I don’t currently use a HOB filter on my reef tank, but I have in the past.

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  • I have used a HOB on fish only or quarantine tanks, but not on the display tank.

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  • I have never used a HOB on a saltwater tank.

    Votes: 31 26.7%
  • Other.

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