Prodibio Stop Ammo Pro Freshwater/Saltwater is a natural plant extract which neutralizes ammonia and reduces the production of nitrites, both in the aquarium and in water used for fish transport. Stop Ammo also neutralizes dangerous gasses produced by the putrefaction of organic matter. Use Stop Ammo when starting up an aquarium, to introduce fish more rapidly, when renewing & to reduce accidental nitrite surges.

• 10 Large Vials
• Usage: For 250 to 500 gallon aquariums use 1 Vial every 15 days