For your lighting it is possible to go with the NICREW ClassicLED mild which can be great for bringing out the colour and sweetness away from African Cichlids. I'd personally say such a Betta is somewhat tougher to keep due to the fragile crownlike fin texture. Although the plecostomus isn't https://www.diigo.com/item/note/9tt3x/b27r?k=2b3f4d10222e0e076abad039c47f0ae0