The ammonia remover might not be necessary. Just continue to feed the danios lightly for couple of weeks. You can try to find some seeded filter media from a friend or your lfs. Just make sure the media comes form a healthy tank, and keep it wet during transport. Monitor you nitrite and nitrate levels, once your nitrites are at 0ppm you will be able to start adding your cichlids.
Check out this article for more inforamtion
http://www.cichlid-forum.com/articles/cycling.php
Check out this article for more inforamtion
http://www.cichlid-forum.com/articles/cycling.php