red sea doser

  1. kshaw

    Red Sea dosing question

    I just added a reef dose 2 to my system to help a little with the alkalinity and the nitrates. I was just curious on if I need to somehow vent the bottles. It seems like they would slowly go into vacuum as the pumps start pulling fluid out. Anyone using this system that can let me know what I...
  2. H2Orchard

    Red Sea Doser and Apex EL

    Hi, I've tried to find this information via Google and a search on here but I couldn't find anything. Are the Red Sea dosers compatible with the Apex El? Would the Apex controller control those devices at all?
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