Originally Posted by
catfish whiskers
This is why I don't like the idea of pump feeding an RDF . You definitely need something before the pump to protect it , and that something will need constant cleaning . Yes, seems counterproductive to the purpose of having an RDF. The only way that works better , is to draw the water from a place with less solids , like a mid water pick up . Still , then not using an RDF to it's best potential.
For direct suction , My fave is a Zacci , pump , S&G filter , will give RDF quality water.