Gravel? Or Sand?

[Knox213]

Title says All.

 

[hughessomefish]

i think it deppens on the fish

 

[Tom499]

I think it depends what you put want to keep in the tank. I use a layer of gravel with sand on top, though its slowly mixing together..

 

[Knox213]

What about for Rio tanks?

i like sand in them but you dont see much Rio's with gravel

 

[erk628]

Depends on the fish and plants!

 

[AdamM]

What about for Rio tanks?

i like sand in them but you dont see much Rio's with gravel

I have gravel in my Rio 180

 

[Knox213]

waht does it look like?

got any pics?