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  1. Alex Morgan

    How do you size a UV sterilizer for a reef tank?

    I’m curious how everyone here decides what size UV sterilizer to run on a reef tank. Do you mainly go by tank volume, flow rate, or what you’re trying to control? I’ve also noticed that UV performance can vary quite a bit depending on flow and lamp age, so I’d be interested to hear what setups...
  2. Alex Morgan

    Real talk: UV sterilizers in reef tanks - dose, flow rate, and what they actually do (and don’t)

    I’ve been thinking about UV sterilizers again after helping a few people size systems and seeing the same misconceptions come up. A lot of older advice treats them like a magic “disease preventer” or something you either need or don’t. In practice it’s more nuanced, especially on a reef. What a...
  3. Alex Morgan

    That is a fairly heavily stocked 55 gallon, especially with the foxface and flame angel. The...

    That is a fairly heavily stocked 55 gallon, especially with the foxface and flame angel. The live rock and UV sterilizer should help with stability and water clarity, but I would keep a close eye on ammonia, nitrate, phosphate, and oxygen levels. Regular water changes and good flow will be...
  4. Alex Morgan

    Hi everyone, I’m Alisa!

    I’m happy to join the Reef Sanctuary community. I enjoy learning through group discussions and sharing ideas with other reef keepers. I’m especially interested in water treatment, water quality, and effective ways to maintain a healthy aquarium. I’m looking forward to learning from everyone...
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