DrTim's Aquatics First Defense for Reef Aquariums – Stress Relief & Immune System Support with Vitamins Immunostimulants Fish Tanks - 4 oz. Gravel Also includes a 72-inch long

Also includes a 72-inch long gravel vac hose

5% Phosphorous (min) 0

and overall mobility

protein-dense

long-lasting corrugated cardboard can be recycled when it is ready to be replaced

DrTim's Aquatics First Defense for Reef Aquariums – Stress Relief & Immune System Support with Vitamins Immunostimulants Fish Tanks - 4 oz. Gravel Also includes a 72-inch longBrand DrTim's Aquatics Item Form Liquid Target Species Fish About this item 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