I'd say you're fine
What do you mean by "decent"? Fast, compact growth? I'd put it under more lighting as well as CO2...I'd say you're fine
you need 4+ wpg for Hc and your just under 5 so your good
I don't really care if it grows really fast, but I wouldn't want the HC to grow very leggy and long...What do you mean by "decent"? Fast, compact growth? I'd put it under more lighting as well as CO2...
So depending on exactly what you want, you might be fine, you might not. I'd get a 2x18W fixture for the tank.