It's really just up to preference. Both work fine. I've never used Seachem Matrix before, but Fluval Biomax has been working for me for many many years now.
Pushed together? I don't get it.oscar and arowana;5011817; said:since they would be pushed together by the fast flow of the fx5. i dont know?
oscar and arowana;5011817; said:since they would be pushed together by the fast flow of the fx5. i dont know?