Freshwater First Defense (480 Gal)

DrTim's Aquatics Freshwater First Defense is a specially formulated product designed to help fish adapt to new environments by supporting their natural immune system. This product promotes healing, repairs wounds, and strengthens the fish's immune system, making it easier for them to cope with stress from various environmental changes. Whether it's water changes, new fish additions, disease treatments, or shipping stress, First Defense provides essential stress relief and immune support for freshwater aquarium fish.