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- Feb 21, 2026
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Good evening all,
I got a colony of 4 toad stool mushrooms last Sunday,
They were all fine in the fish shop, when I got home one of them stayed completely closed for 3 days.
It has since opened up during the hours of light, but at night time it drops over to one side.
I have a fluval reef 4.0 light, I have tried increasing the flow. But it doesn't seem to be making much of a difference.
It's also worth noting that it has spots of bright yellow illumination on that particular coral.
Just wondering what this could mean and if I need to do something or if it will come right in a few more days?
This is my first coral, so I'm still learning.
Other corals appear very healthy.
Any help would be greatly appreciated.
I got a colony of 4 toad stool mushrooms last Sunday,
They were all fine in the fish shop, when I got home one of them stayed completely closed for 3 days.
It has since opened up during the hours of light, but at night time it drops over to one side.
I have a fluval reef 4.0 light, I have tried increasing the flow. But it doesn't seem to be making much of a difference.
It's also worth noting that it has spots of bright yellow illumination on that particular coral.
Just wondering what this could mean and if I need to do something or if it will come right in a few more days?
This is my first coral, so I'm still learning.
Other corals appear very healthy.
Any help would be greatly appreciated.

