Zoas half open all the time?

Mr. Microscope

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Hello All,

I'm wondering about my Green Lanterns. They seem to be only half open all the time. All other zoas seem fine.

halfopen.jpg

Are they getting too much light? I thought that yellow zoas were better at the top half. They seem to be doing fine and have put out more heads in the last few weeks, but they are never open all the way. They always look like the picture above.

Tank 3 gallon JBJ Picotope
Temp 80ish, Alk 9, Mg 1280, Ca 410, pH 8.3, SG 1.026, Ammonia Nitrate/trite all 0.
Lights PAR38 LEDs (5x3 watt CREES overdriven to 21 watts)
Flow from AC70 and Koralia Nano

Any suggestions would be appreciated.

Thanks!
 
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