hi guys been looking on this forum for a while but only just created account as im stuck lol hopefully some1 can help lol so here goes i recently bought a 4ft tank i its all up and running now i have a eheim 300 ecco pro filter system i do a 25percent water change with new carbon filter every week water temp is at a steady 25. i have 2 zebra angel fish and 2 gold sail fin mollies i really want to get discus as well? but app there massive and need room? but can anyone help with what else i can put in?? i have volcanic rock in there at the mo but will be putting some wood in soon as i want a pleco so any advice would be graet many tanks 