Originally Posted by Darkblade48
As you already know, the actinic bulb is not useful.
The 10,000 K bulb can be used. It will put you just on the border of low/medium light.
If you but on an additional T5NO bulb, it will put you into the medium-high end.
know anything about LED's I have an LED that supposedly puts out 10k light but I'm not seeing too much plant growth, however my tank get's a nice crisp look from the light