sera guide - How to set up an aquarium according to nature

35 Air-operated internal filters sera internal filters L for aquariums up to 60, 150 or 300 liters (16, 40 or 79 US gal.), respectively, are very powerful and quiet in operation. The air is evenly distributed. The specially developed sponge is able to col- lect even smallest particles. The high po- rosity provides ideal living conditions for the bacteria that break down pollutants. The sera internal filter L is ideally suitable for rearing young fish. Gravel cleaner The sera gravel cleaner thoroughly re- moves sludge and dirt from the gravel with- out a water change. The sera gravel clean er is suitable for aquariums up to 60 centimeters (24 in.) high, and is easily at- tached to an air pump, such as sera air plus. sera gravel washer (sludge cleaner) The sera gravel washers thoroughly re- move sludge from the aquarium gravel. You can change a part of the water at the same time. The sera gravel washer triangular is ideal especially for small aquariums, as it makes cleaning in the corners between the plants easier. Height 14 cm (5.5 in.), edge length 7 cm (2.8 in.). The sera gravel washer round is suitable especially for large areas. Height 24 cm (9.4 in.), Ø 5.7 cm (2.2 in.).

sera guide - How to set up an aquarium according to nature

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