25g is too small for Discus as they grow to 8 inches in length. They will
most likely die from the stress of being in too small of a tank since Discus
are already delicate. Plus, you'll have a challenge with bio-load and will
require at least 50% water changes twice a week with no exceptions
They need a 55 gallon tank at the very least, 4 feet long to give them
plenty of room to swim. This also gives you more water to handle the
bio-load, which leads to less water changes.
--
Jeffrey St. Clair - Cichlid World
http://www.cichlid-world.com
"Carlos Pires" <cmpsalvestrini.RemoveThis@forget.it.not.here.gmail.com> wrote in
message news:fbrvf8$rf3$1@aioe.org...
> Greetings all,
>
> I'm starting out with a new discus setup (a 25 gallon tank set up with
> peat
> substratum, low Gh, low Kh, slightly acidic water with pH at 6.6,
> marineland
> exterior water filter). The tank is now being cycled with a small tetra
> population (6 black neons, 6 serpae). I'd appreciate any pointers as to
> what
> are the best practices after cycling for helping to provide a low-stress
> environment for my fish (I'm holding out two weeks before transfering the
> cychlids from the dealer, a pair of blood pigeons).
>
> Thanks in advance
>
> Carlos Pires.
>