Hi, I've supplemented with regular phyto for a while now but have also used the AF phyto mix which I remember did work(idk if better than regular phyo though)...AF phyto mix is a mixture of phyto and zooplankton at the same time and has proteins,carbs, and fats. I would imagine that copepods go after it too. I'll include a picture of the box and if you have any questions please just ask...I'm trying to decide whether to buy it in addition to the phytoplankton.