Recently, I have noticed my dwarf gourami is not looking the best. After a little under a week of purchase, my dwarf Gourami has slowly faded in color starting from his head down. He had some black on his face but now he's just pale. I found a few white spots on him and began some Ick treatment, but after a week he still has them. He still eats and acts normally, just doesn't look the best. What else should I be doing? Does he not actually have Ick and could it be something else?