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Cyanobacteria & Diatoms

Posted 09-02-2010 at 09:35 PM by NASAGeek
Updated 09-02-2010 at 09:48 PM by NASAGeek

Diatoms are actually single cell algae. They commonly occur when cycling a tank and occassionally in established tanks. Diatoms can get quite ugly during a cycle, but letting the tank cycle and being patient is all that required for them to go away. Get the water parameters to zero, they'll pass.

Cyanobacteria is that red slime that comes around occassionally. Cyano colors range... it can be crimson, red, blue-green, etc. Many folks recommend additional flow to get rid of cyanobacteria, but I've read conflicting reports on whether or not that's proven. It certainly isn't a bad idea. The most common question is "Are products like Red Slime Remover safe for Reef Aquariums?" The answer is "Yes"... and yes, they work but they don't treat the root cause.

Both diatoms and cyanobacteria can essentially be treated like generic algae. Limit nutrient sources, maximize nutrient export. Follow the exact same steps as the checklists in Algae Notes Part 1 and Part 2.
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