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- Jun 9, 2020
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45 AIO system has great coralline algae growth but a section of it just died. Completely whited out.... the weird thing is that around the tank there are immaculate sections of corralline growing beautifully. I did a larger water change about a week ago and a larger RO top off because my salinity had been high. Other than that no changes to the system. Anybody have this happen? Any thoughts on how to prevent this in the future? PM's coming