Large colonies died over night abhh
So woke up today to find my large birds nest colonie almost bleach white and about 1/3 my acro also took a huge beating. I have not touched anything for a few days and water change isn't due for another 2 days....
The only thing I can think of is my room mate dumped something into the tank. Is there any other reasons besides sabbatoge that a volleyball size colonie would die over night??
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