I'm planning on 2 self sustaining tanks. One is 6.3 gallons and one is 10 gallons. I'm planning on scarlet badis and RCS for the 6.3 gallon. For the 10 gallon, I was thinking maybe a blue crayfish with RCS. They will be planted with Staurogyne Repens, Rotala Rotundifolia, Hygrophilia Corymbosa...