I'd go with too much flow and then put an in-line gate valve. You want to be able to "dial it in" so the media bed is fluidized, but not tumbling.. Shop for "bits" at your local spa store if your LFS is lacking in selection.
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.