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  1. parameters question

    Hello fellow addicts! As many of you know I recently did a tank restart so 70% of all my water is new, no additives added, no corals yet, and lots of testing done. Currently I am working on stabilizing my parameters but first I need to get them all where they should be and I am wanting to do sps and lps in this tank so I want to maintain them at the right levels and keep them as rock solid as possible. After 13 days of running I am at:

    Ammonia 0
    Nitrite 0
    Nitrate 0
    ...
  2. Decreasing salinity?

    We are having a problem with decreasing salinity. It has only happened over the last couple of weeks. We have an ATO system, and we change water once a week. We use the same salinity measurements every water change. What is causing this? The drop is going from 025 down to 020. I know you have to replace evaporated water with RO, but the salt should stay because it doesn't evaporate. Any suggestions?