ROAR99 Posted August 25, 2013 Report Share Posted August 25, 2013 aqua one nautilus 800,, 7.5 L volume 800lph only rated to 200l tank ehiem 600 6 L volume 1000lph rated to 600l tank wouldnt 7.5L of media space be better than 6L of space ?? as far as reliability my aqua 800 has been runin for 2 years without a single problem... looking to upsize my tank so thought about changing to the eheim 600. thanks for any imput Link to comment Share on other sites More sharing options...