thank you slug for such a fast reply. The poor thing didn't eat yesterday because I ran out of worms. Do I need to wash the earth worms in any special way? Maybe they have fertilizer or pesticides on them.
I have another question. I haven't seen my discus eliminating wastes yet although he eats a lot.

Hello. Since there was no response between your posts I've merged them for you to save some space. There is an "Edit" key at the bottom of every post that you can use for corrections or additional thoughts.
Thanks!
Ken