I just want to keep discus

[jack]

Can you please share the link or pic of your filter.....

Keeping both discus and arowana ll be suffering for either of one i would suggest to upgrade and then go for the discus

Achintyas post is one of the best thread and easiest to understand go through it in detail most of the answers are answered there.....

[Achintya]

and if you have any doubt after that please feel free to ask me.i'll help you with my little knowledge.

[Sunny Suri]

jack both are normal

First : sobo 1000f
http://mcdn01.gittigidiyor.net/7735/SOB ... 1361292348

Second: bodyguard 1600f double sponge
http://cdn2-cont4.sweetcouch.com/323291 ... filter.jpg

and Achintya Nice article or thread

thnx

[jack]

Both of these are powerfilters and must be placed in such a wat that the flow is directly on the discus