MMantelli
Aquarium Advice Addict
All amazon swords need are root tabs I personally like Ru-tabs found online and a decent light. But it will very quickly outgrow a 5g tank. Mine outgrew my 20g within 6 months before I moved it to my 40 g nursury tank and its already out growing that. I would recomend something like anubias nana or java fern which can more easily be kept at a smaller size. You mentioned a grass have you remembered what kind it was that will make your lighting and fertilizer options vary quite a bit.
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