In my 33g planted aquarium I have 2 hygrophilia difformis, 5 Amazon Swords and 4 crypts. My tank is pretty well stocked with fish as well.
Right now I have two 24" Coralife dual T5 light strips (total of 56W) and an aqua clear 300 filter.
Should I be using CO2 to stimulate more growth?? I've...