Eheim streamon 1800 streaming pumpr with eheim streamon you have more flexibility than with any other streaming pumpsr eheimrsquos streamon 1800 streaming pumps are suitable for use in both marine and in fresh water aquariums they are small highly efficient and energy saving you can position them vertically or horizontally and turn them up to 180deg this allows you to turn them in any direction 3d functionr the eheim streamon 1800 streaming pumpis attached to the glass using suction