Boyd Vitachem Fresh 4 oz is a pre-stabilized multi-vitamin supplement designed to enhance the health and vitality of fish in closed aquarium systems. Using Vitachem Fresh offers several benefits: increased growth, color enhancement, and breeding promotion, as well as natural vitality restoration. Additionally, it aids in rapid fin regeneration, intensifies natural colors, and may help with lateral line disease. To use, simply shake the bottle well before each use, adding 1 drop per gallon directly into the aquarium water or incorporating several drops into fish food before daily feedings. For optimal results, it's recommended to store Vitachem Fresh in a cool, dry place or refrigerate it to maintain its effectiveness.