is it possible to make a complete ground cover with this plant in a 30 gallon tank with no CO2 and no ferts and 50 Watts of lighting? I would really like to do something similar to the picture linked below. is it possible to have a low light iwagumi aquascape?
http://www.rataj-spk.cz/akce/rostliny_nove/Hemianthus_callitrichoides2.jpg
http://www.rataj-spk.cz/akce/rostliny_nove/Hemianthus_callitrichoides2.jpg