I don't believe any of those require plankton. They should do just fine on the light and whatever you feed the tank.
When I feed my tank (phyto included or not) I turn off the skimmer and main pump, but leave the power heads on. I let the fish chase food for about a ˝ hour then turn the return pump and skimmer back on.
Agree with cmor... I wouldn't feed anything, and wait and see your results. My guess is everything will thrive just fine. Feeding those bottled solutions in a small tank can lead to water quality issues down the road.
Thanks Kurt... This hobby really is amazing how each person has a distinctive opinion over the next. Guess it's just like politics! LOL I like my LFS peop's but seems like everything they tell me (even about the name of what i'm buying!) ends up in dispute...