I would rehome the goldfish. Goldfish are coldwater fish, the lower oxygen levels of tropical tanks do not suit them, additionally, they produce a lot of waste for their size, so represent an above average contribution to your tanks bioload.
You do have quite a lot of fish in there. With the Rosy barbs and 10 Cardinals added, you will be overstocked.
You do have quite a lot of fish in there. With the Rosy barbs and 10 Cardinals added, you will be overstocked.
