thank you sir.the conventional rule say us that provide 10 gallon per discus.and at the same time the best will be if you keep at least 6 discus,so that they can form a school.also water chemistry and proper filtration is necessary for them.discus donot live in power filtering system..there are too many things to say.i have a blog about discus fish care secrets.if you interested you may visit the blog..you can see the link of my blog at my signature..
and oh sure i'll upload the pictures soon...