Provide vitamins and immune-stimulants for immune system support and stress relief during water changes and other stressors. Changing the environment of a fish causes stress that robs fish of essential nutrients and can weaken their immune systems. Vitamin and immune-stimulant fortified water conditioner supports the immune system, helping fish cope with stress due to water changes, new fish additions, disease treatments, and other environmental changes.
First Defense also removes chlorine, chloramine, detoxifies heavy metals, adds important buffers, and revitalizes the natural slime coat. 16 oz treats 960 gallons.
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