These are some shots from Little Mulgrave, a tributary of the Mulgrave River (near Cairns Australia). Enjoy. Water parameters were: pH 7.0 - 7.1 GH: < 20 ppm KH: < 20ppm Temp 22.5 TDS 29     Crystal clear water. 'Red' Vallisneria - It's a deeper red in other places further downstream in the Mulgrave, and I'll post those shots soon.   Here is the natural habitat of a submerse growing fern which we believe is identical to one which was being sold on