thanks for the comments, its not ada I just cleaned and polished the glass. And I bought the substrate because it looked like ada, it's fertilized with dupla root k and diy ferts from this site.
Yes the rock is holding the drift wood down. It soaked for months but still floats. The rock will go a soon as it sinks. I was going for a gully look with the substrate but I don't think it worked. I'll level it out when the plants take hold. I really want some glosso and hc or riccia for a carpet but its proving rather hard to find in australia (even though glosso it native in some parts)