Seachem PrimePrime converts ammonia into a safe, non toxic form that is readily removed by the tanks biofilter. Prime may be used during tank cycling to alleviate ammonia nitrite toxicity. Prime detoxifies nitrite and nitrate, allowing the biofilter to more efficiently remove them. It will also detoxify any heavy metals found in the tap water at typical concentration levels. Prime also promotes the production and regeneration of the natural slime coat. Prime is