The felt washer of the EHEIM outlet may become clogged after some time. This will lead to an increased counter pressure reducing the flow rate and increasing the wear to the diaphragm. You should therefore replace the felt wahser of your EHEIM outlet at regular intervals.
Sander Lime wood diffusors are from excellent quality and suitable for fresh and marine water. The finest laminar pores prodeces very small air bubbles with perfect oxygen supply to the aquarium water. The Sander Lime wood diffusors are available in different sizes:-Nr.
The Fluval adjustable Diffuser is compatible with all aquarium air pumps with 4/6 mm hose connector. The Diffuser is easy to install, quiet to operate and offers adjustable flow for customized bubble control, making it an ideal alternative to traditional air stones.
Hobby Mini-Long is a flat air stone for the connection to aquarium air pumps. The Hobby Mini-Long air diffuser provides the aquarium with a wide curtain of air bubbles. Mini-Long can be fixed with suction cups at the aquarium glass or embedded in the gravel.
Hobby Lime wood air diffusors produce particularly fine bubbles. They are highly durable and made from lime wood which has been long matured. They are often used in protein skimmers.
Every Hobby Vulcano airstone is a unique, selected piece of genuine volcanic rock. By means of the internal hollwing-out of the stone, the air seeks the path of least resisance, giving a different air output at different points. Large air bubbles can thus be expelled even without the use of a powerful pump.
The Hobby Flexi is a flexible diffusor which can be formed as required. Hobby Flexi can therefore be ideally adapted to the aquarium landscape. The Flexi air hose can be fixed with suction cups on the aquarium glass, embedded in the ground or wrapped on a decoration accessorie.
Hobby Aqua Control is a Diffuser with safety valve. The integrated check valve protects air pumps against returning water.
The Hobby ceramic diffusor is a round, tubular ceramic air diffuser which produces a flow of very fine air bubbles. Operates with low pressure because it is hollow - therefore ideal for small pumps. The package contains 1 Pieces of Hobby Ceramic Air stones 50 mm.
JBLProSilent Aeras Micro S3 is a set of 3 coloured air stones for use in fresh and marine water:JBLProSilent Aeras Micro S3:+ made out of a extra fine pored silica sand mixture for outstanding fine air bubbles+ consisting of 3 colored air-stones+ cylindrical shape with large surface+ 26 x 15 mm effective surface+ for fresh and salt water.
ab Aqua Medic Wooden air stones are produced from lime wood with very fine pores. They have low pressure resistance and create very fine, even bubbles. To keep the skimmer running at ist optimum performance level, the bubbles have to be monitored regularly, and is recommended that the air stone is changed every 6-8 weeks.