BGA

Blue Green Algae (BGA) isn't like other types of algae you may experience in the aquarium. First, it is not actually algae but rather a photosynthetic bacteria.

BGA is short for Blue Green Algae. Also known as Slime or Smear Algae. It can be seen in the typical blue-green colour but will also occur in brown.

BGA - Blue-green Algae or Cyanobacteria. Aquatic bacteria that make their own food through the process of photosynthesis. Can rapidly overtake an aquarium, by spreading over everything in sheets. May smother and kill plants if not removed.

BGA started growing amazingly fast. No matter the water changes, it was covering almost any surface wide enough that existed, including the gravel, plant leaves, rocks, wood, everything.

with the heterocyst-bearing species as potential nitrogen-fixers in our aquaria. Oscillatoria and Lynbya do not possess heterocysts. However, Anabaena sp., which is a common component of blooms, does possess heterocysts. Regards, Mark
Black BGA in ...

Blue Green Algae (BGA also known as Cyanobacteria) - technically, this is not actually an algae but a form of bacteria. Poor circulation in tanks may be a contributing factor.

To be truly complete, we would have to cultivate blue-green algae (BGA), which can fix atmospheric nitrogen (much submerse BGA cannot directly fix dissolved nitrogen), ...

yellow petals (brackets actually) of marigold and sunflower has the highest concentration of these pigments and dried petals could be incorporated into fish food. For Phycocyanins don’t go looking for blue-bells but look for the villain BGA, ...

See also: Plants, Water, Fish, Green, Algae