Re: RIO Powerhead

[Flavorpros]

I've used a Mag 7 on a Berlin skimmer and never had a problem.  I also use a Mag 12 on water changes (RO back to tank) and works good.  How much head pressuse do you have?  Mags, IME, don't like head pressure.  Seriously cuts back output.   FWIW,
Rick