Tropical Fish Care ...the complete Tropical Fish and Aquarium resource.

In tropical fish care bacterial or fungal cloudiness is a bad sign and is usually seen in established tanks
which are going bad. It may be caused by excessive decaying matter,
usually dry food but sometimes a dead fish or mollusk. It could also be caused by insufficient
light, by overcrowding, or by the use of unsuitable gravel or rock,
which may provide niches and crannies where food is
caught a