CaribSea AmmoBuster™ Extreme is the one step water conditioner that does it all! AmmoBuster™ Extreme will not only eliminate ammonia, chlorine and chloramine, but detoxify heavy metals as well (even copper). At the same time, AmmoBuster™ Extreme will replace a fishes protective "slime coat", add essential electrolytes, boost alkalinity, and reduce fish stress. AmmoBuster™ Extreme even neutralizes nitrite!