Water circulation for 29 gallon biocube??

eveningstar15

Reefing newb
I want to add more circulation to my 29 gallon biocube. I am debating between the hydor koralia nano 240 or the hydor koralia 425. Im not sure if the 425 would be to strong and blow my sand everywhere. Anyone have any experience with wither of these?
 
Back
Top