Goldfish Flakes by Zeigler Premium Fish FoodsZeigler Goldfish Flakes with Vpac(Vpak is an all natural additive containing various bioactive compounds, that when used as part of the regular feeding regime, enables the animal’s natural immune system to function more effectively and efficiently, resulting in a stronger defense against numerous virus and bacterial diseases. Trials with fish raised in production systems have demonstrated that Vpak is effective in preventing various parasitic and other pathogenic infections.)Is a complete and nutritionally well balanced diet for all Tropicals such as Discus, Cichlids, Live Bearers, Plecos, Catfish, Tetras and many many more. The diet uses high quality marine protein sources to increase palatability and digestibility, and thus minimize excreted waste. Increased levels of Stable Vitamin C and Brewer Yeast are included in the diet to promote healthy gill, fin, and tissue development.. Plus this diet has been formulated to reduce waste and increase water clarity.Features & BenefitsComplete all-purpose diet for tropical fishFortified with natural immune enhancers to promote tissue maintenance and developmentContains highly digestible marine proteins to reduce excreted wasteNow contains VpakTM (Vitality Pak) an all-natural, nutritional feed supplement, designed to improve overall fish health and resistance to disease