Years ago on the Place there was a discussion about the "other" filters. I think the holes in the top are set differently and it affected flow? God, its been a long time. Not sure if anyone had cut them apart to check media though. I personally have always run the red filters. Never thought to use another brand.
You'll probably have to ask Mike what he thinks. That would be the best idea.
You'll probably have to ask Mike what he thinks. That would be the best idea.