V
vince-1961
Guest
FWIW, here are photos of my two koralia 4's. first two pics are the one on the right of the tank. 2nd two pics are of the one on the left. They provide a steady uni-directional current.
Hopes this helps you make a decision.
without flash.
Attachment 230136
with flash
Attachment 230137
Attachment 230138
Attachment 230139
Hopes this helps you make a decision.
without flash.
Attachment 230136
with flash
Attachment 230137
Attachment 230138
Attachment 230139