They may be earth s bacterial heroes but when these algae are in your aquarium they can be both good and bad.
Blue green algae aquarium.
It can grow quickly and can cover the substrate in the aquarium.
Blue green algae caused by poor water conditions can form a layer on all of your decorations and substrate and if your fish stop swimming for a few minutes they start to resemble a moldy cupcake.
Algae is often introduced into your aquarium by fish and live food and it comes in several colors.
Red algae which is caused by a lack of carbon dioxide in the water is really nasty and hangs.
Also known as slime or smear algae it can be caused by an excess of nitrate and phosphate in the water.
In most cases this is actually not algae at all but.
Cyanobacteria formerly called blue green algae are not really algae but are a phylum of photosynthetic bacteria that live in moist soils and water.
Blue green algae is very common in new aquariums where the nitrogen cycle is not finished yet.
Also known as gravel or silica algae this algae is common in new tanks and will coat the tank in sheets which are easily wiped off it is usually harmless and will eventually go away as the tank matures.
In freshwater aquariums it s known for its vivid blue green color but it can also appear in shades of brown black or even red.
To remove cyanobacteria or blue green algae from your aquarium replace the old water in the aquarium with clean saltwater.
Although called blue green algae they can have colors ranging from black to red to purple.
Blue green algae bga is not actually an algae but rather a cyanobacteria a very diverse and resilient group of bacteria that uses photosynthesis like plants.
What is blue green algae.
Just to add to the confusion blue green algae also goes by other less common names.
However it can also appear in already cycled tanks with dirty filter or substrate.
The species structures can be unicellular to filamentous and some species are colonial.
Like a lot of bacteria blue green algae in your substrate are beneficial to the health of your aquarium feasting on detritus organic wastes.
You might hear it referred to as bga green slime algae smear algae or even pond scum because of the way it can build up on the surface of ponds.
To combat the blue green algae first you need to clean the filter and vacuum the substrate.
When disturbed it comes off in sheets.
You should also use a gravel vacuum to remove organic debris from the bottom of the tank which can be a breeding ground for the bacteria.