So here goes...
I am trying to see what people think of my tank and if people think i have enough light for growing Eleocharis parvula mini as a carpet.
18 inch cube tank.
2x 30 watt Beamswork green evo, 10 x 3w LEDs, 6500k, 1350 lumens each, 100 PAR @ 10 inches or 0.66 watt per litre.
Lights...