An albino ACF female, right?
Most people feed them on a pelleted diet, with small treats like bloodworms or earthworms every couple weeks or so. Some people are even starting to experiment with diets of ghost shrimp.
Maybe you could try dropping them in a few at a time in smaller numbers and make sure he gets them all? Just scoop up uneaten food in a turkey baster or gravel vaccumm.
Some poeple feed them on feeder guppies too, but these might be a bit steeper price than the pelleted diet.