People at the PT might have noticed this, but something interesting has arisen about plant-light requirements. Shalu, setup a 10g with inert gravel(no additives) and the tank is lit with 2x15w(2700K) CF bulbs, yet she is succesfully growing healthy stems of Tonina fluviatilis, R. macaranda, Cabomba furcata, E. azurea, and R. wallichii. She doses traces and macros every week(after a 25% WC), but doesn't use any C02(unless you count Excel). Can someone explain this strange phenomena? Could this have to do more with light intensity? I mean everyone has been recommending more light for smaller tanks, yet this seems to prove previous theories as false.