refugium 24 nano cube?


New member
i have a 24 nano cube.. i have heard that people are making a refugium out of the 2nd chamber in the back. first ?...are you using sand as the substrate for the fuge.......2nd ? if so how does the water flow from the first chamber to the second if the bottom baffel is blocked by sand.... basicaly i am just looking for clarification on how to create a refugium out of my 2nd chamber....thank you in advance
Most use 2nd chamber for fuge with LR rubble then chaeto.

Oh then light source. Check out for this popular setup in nanocubes.