i recommend getting a bunch a tall medium and small plants. for take 3 small plants and plant them as close to gether as u can. plecos like caves where they can go upside down t they get to big for most all caves later. bubble dics are also nice.
I have beeen on the site before with a friend and liked it so i joined. i used to own fish but i dont anymore havn't for years i will be gettin a new 20 or so gallon set up next week hopefully and look forward to your advice. Also i do know a lot that i learned from a freind so i might be able...