- Mar 28, 2012
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Hi. I just bought 250 mg niacin capsules to give to my ducklings and ducks. I want to put it in their water. I'm trying to dissolve the whole capsule into a cup and then take half a cup of the niacin water and put it in a gallon of water. The niacin is Finest Nutrition brand and it looks like very small white balls. Thanks.