SPONGE FILTER
sponge filter: translation
an aquarium filter providing both mechanical and biological filtration. It consists of a large foam rubber block connected to a lift tube or small power head. Water is drawn through the sponge, which removes small particles and grows bacteria for the nitrogen cycle, q.v
Смотреть больше слов в «Dictionary of ichthyology»
SPONGIVORE →← SPOILAGE