Seachem Prime is the complete and concentrated conditioner for both fresh and saltwater. Seachem Prime removes chlorine, chloramine and detoxifies ammonia. Prime 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. Seachem 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. Seachem Prime is non-acidic and will not impact pH. Prime will not overactivate skimmers. Use at start-up and whenever adding or replacing water. A single 100 mL bottle will treat 1000 US gallons of tap water. Seachem Prime will remove both chlorine and chloramines from municipal water supplies. Prime also contains a binder which renders ammonia, nitrite, and nitrate non-toxic. It is very important to understand how those two functions work together. All dechlorinat