Zoo Med Laboratories Giant Banquet Block Feeder (3 Pack) 3 Giant Original banquet fish feeding blocks Each time release fish feeding block lasts 10 to 14 days and will not cloud water Original Banquet blocks are very useful for small fry which do best when constantly feeding In addition to weekend and vacation feeding, Original Banquet is a great daily food source for problem feeders such as Plecostomus, Algae Eaters, Redtail Sharks, Gouramis, Saltwater Tangs, Angels and Damsels Made in the USA