Algae are tiny green photosynthetic harmless organisms that are commonly seen in most habitats. Blue green algae are minute deadly life that are found in freshwater aquarium .These are nightmares of aquarists, as once get into an aquarium, it is difficult to eliminate it.
Blue green algae are cyanobacteria group of bacteria and they are able to photosynthesise same as the green algae. These bacteria are found as coatings over the tank stones, walls and the aquatic plants as blue- green, purple, black or brown color. The affected area appears slimy, which is the protective membrane that the bacteria create over their colony. If they are not removed from the aquarium, the fishes and the plants will be seriously affected by the poisonous substances produced by them. The bacteria affected water is characterized by foul smell.
Blue green algae are one of the primitive forms of bacteria. It is well adaptable to all conditions and grows fast in extreme conditions where normal flora doesn’t grow. Blue green algae have the capacity to fix nitrates. So they can grow in water with nil or low nitrate concentration. Read the rest of this entry »
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