I bought 8 chicks and 1 duckling. I had already bought the Kent brand starter medicated food for the chicks. I was told to not feed the duck medicated food. I was going to go back and buy non-medicated right away. However, my dad and things I have read say the medicated is fine these days. I have also read I need to add niacin to the water. I want something the chicks and duckling can eat together. Do I need to get her new feed in the morning or will they be fine with what I have? If I need new food please lead me to which is best.