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Zoanthids

Zoanthids

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Question, Zoas that received to much light and lost their color, can it be brought back? And how?
Slowly move them to lower light and give them time. If you'd like you can also give them a bit of target feeding to speed the process... of course with everything in reefing, it's no guarantee but this has worked for us. Time in the lower lighting is the most important key.
 

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Question, Zoas that received to much light and lost their color, can it be brought back? And how?
Just move it to lower light and hopefully it will recover.

One of the best indicators of a zoa's light demand is the diameter of the polyp and length of the stalk.

A narrow polyp and virtually no stalk extension? Too much light. It's trying to physically decrease its size and move farther away. This is the coral telling you it's too much.

A very wide polyp and long stalk? Not enough light. The coral is physically moving closer to the light and stretching the polyp to grab as much light as it can.
 

Polyp polynomial: How many heads do you start with when buying zoas?

  • One head is enough to get started.

    Votes: 27 10.6%
  • 2 to 4 heads.

    Votes: 145 57.1%
  • 5 heads or more.

    Votes: 65 25.6%
  • Full colony.

    Votes: 10 3.9%
  • Other.

    Votes: 7 2.8%
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