Is this enough gph per manifold, or should I go to a mag 24 pump?

Related Questions

• If my planned set-up does not work for reasons you will explain, can you please suggest how I would set-up a manifold with my 1200 gph overflow or is my only option a submersible?
   - <>
• Does anyone know which pump produces less heat Sedra 9000 or Sequence ReeFlo Dart Pump, 3600 GPH?
   - This is for my sump. I have a Cali ray tank and all of the sudden my chiller isn't up to par like last summer ...
• I have an Aqua Tech 20-40 power filter at a flow rate of 160 Gph with bio fiber. Is this ok or would a bio wheel be better?
   - All the stores said a pH of 7.2 was right; mine's between 7.4 and 7.8.
• Will 3 2" free flow piping handle 3000 gph?
   - 
• Please note my emperor is a 280 gph and adds lots of surface agitation-not sure if its too much because i am getting air bubbles-is this also harmful?
   -  I read about microbubbles causing bends in the fish-but not sure if this can be caused by ...