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Cyanobacteria Outbreaks in Reef Tanks: Causes and Fixes

 

Cyanobacteria Outbreaks in Reef Tanks: Causes and Fixes

Cyanobacteria (often called “cyano”) can carpet rock and sand in reef tanks, turning areas red, brown, or dark green. While it isn’t always a sign of a single “bad” thing, outbreaks usually point to conditions that favor bacteria over beneficial microbes.

In many reef setups, the quickest progress comes from identifying the tank’s specific bottlenecks—nutrients (especially dissolved organic matter and phosphates), oxygenation and circulation, ... Read more »

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