A few months ago I saw a video of a wet dry filter that had a spinning spray bar over their bio balls. It looked like the spray bar was impelled by the water draining from the tank. Where can I get one? Does a company make these? Is it a DIY thing?
nolapete;3827620; said:Just FYI, they clog easily and stop spinning. They are pretty old school and were used mainly when DLS (double layer spiral) was the most popular media available.