Hard to say, I know I've had a dud right out of the box, and 2 die within a few weeks of use, could be faulty or just the fact that they're korilias :P
But yes the flow is noticeably better. I also saw a video for the korilia 4 where the Maxijet impeller was used instead of the stock impeller and probably doubled the flow.
Quote:
Originally Posted by 11purewater
Mine will just get clogged with bigger bubble algae.it is a great tip though!  |
Haha yeah I just cleaned the crud out of mine and thought "i wonder if there's any mods for these"
This was the simplest one I found
You can also cut a few ribs out of the front cage as well to give a wide flow vs focused