Does anybody use one of these: http://www.customaquariums.com/c-8-siphon-stopper.aspx
Just wondering how much gph loss there is when using these on the return plumbing. I've reached out to the company but haven't heard from them yet.
Thanks!
Just wondering how much gph loss there is when using these on the return plumbing. I've reached out to the company but haven't heard from them yet.
Thanks!


