I just answered this the other day, order or recieve an ora mandarin. They were tank bred and eat premade food.
Sumps will promote growth of copepods, this doesnt mean they will go towards a pump to your dt. If they do, they will highly unlikely survive going into the pump like your hand in s garbage disposal.
The cost of an ora is typically 15 bucks more, i spend more than that on pods and shipping every 2 months. Very big commitment going non ora