Been away on holidays, thanks for the comments, and thanks for the shot dskidmore, that's pretty much what I'm trying to do. The Riccia has grown in quite a bit in the last 3 weeks, Top is growing in thicker than the bottom. I thought that would happen, I'm going to flip it around.
90 gallon, Crypt undulata "broad leaf" Lobelia cardinalis small and large form. H.corymbosa "compact" Crypt parva, Crypt Red Wendetti Downoi, Bacopa, Samolus Valerandi, Limnophilla Aromatica Alternanthera Reineckii lilacina(purple)
2x 150 Wt 10000k HQI Metal Halide, 2x 65 Wt 6700k-Colourmax