The key to raising high quality discus is simply lots of water changes. Some of us change 100% of the water daily in our fry tanks, but a 100% water change weekly would be the very minimum to keeping them alive. More filtration does not impact this requirement. So what you need is to have an easy way to make water changes. Depending on your location, you may also need a container/tank to condition the water for 24 hours prior to making the water change. That's the difference between keeping discus and any other large cichlid...