Aqueon Betta Bowl Plus will help you maintain a healthy environment for your aquatic pets by instantly conditioning tap water, making it safe for fish and plants. It is perfect for smaller bowls and aquariums that cannot be easily filtered or maintain proper water circulation. This product neutralizes harmful chlorine, chloramines and heavy metals. It contains trace elements to promote proper health, color and natural slime coat protection. It is available in a convenient 4 oz. size.