DrTims Aquatics First Defense for Reef Aquariums – Stress Relief & Immune System Support with Vitamins Immunostimulants Fish Ta

First Defense for Reef Aquarium provides stress relief & naturally supports fish immune system | Aids corals, fish & other aquatic organisms as they adapt to new tank environments & poor water quality conditions | Contains a mixture of vitamins & immunostimulants that promote wound healing & boost immune health | Neutralizes chlorine & chloramine in water, buffers against pH changes, & detoxifies heavy metals | Use when setting-up a new aquarium, changing tank water, adding new fish & after routine maintenance