Lyngbya is a reef aquarium nuisance that can spread if early signs are ignored.
Identification: Dark stringy cyanobacterial growth that can trap bubbles and spread across substrate and rock surfaces.
Treatment / Management: Siphon and physically remove mats, improve flow, reduce dissolved nutrients, and correct root-cause husbandry issues.
Prevention: Control nutrients, avoid overfeeding, and maintain consistent maintenance and circulation.
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