Goniopora partially retracted

Miami Reef

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It used to be fully open and extended up until 1-2 weeks ago. I haven’t done anything different because I thought it would just turn back to normal.

Does anyone have ideas?

Parameters:
Salinity: 35ppt
Temperature: 80F
Alkalinity: 10dKH
Calcium: 465ppm
Magnesium: around 1350ppm (haven’t check for a few weeks
phosphates: 0.13-0.15ppm
nitrates: 11ppm-14ppm

I change 15% of water weekly. I highly doubt it’s my parameters because I have acropora and clams that are growing well. Flow hasn’t changed, lighting the same.


This picture is right after a water change. The Goniopora is usually extended, but the “bald” spot is blubbery against the flow. You can see a happy red goni next to it which I had longer than the green.


5F6B1555-DBEE-4E06-A2E4-9FBF61236D32.jpeg
 

Lavey29

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I have the exact same gonis. Placed mid level at about 150 par. They seem to be sensitive to phosphate levels at times not always.
 

tbrown

Nominated Cronie Intern - Might be failing?
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Could be too much light. Another possibility could be flow. Any changes in flow recently? Any nutrient spikes, pH spikes, or alk swings?
 

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