Eco-Balance Multi-Strained Probiotic Bacteria helps with the following: Maintains a balanced, healthy aquarium environment Blocks out unfriendly bacteria Promotes optimal water quality 100% Natural The normal processes in an aquarium cause the system to become unbalanced, allowing ...Eco-Balance Multi-Strained Probiotic Bacteria helps with the following: Maintains a balanced, healthy aquarium environment Blocks out unfriendly bacteria Promotes optimal water quality 100% Natural The normal processes in an aquarium cause the system to become unbalanced, allowing unfriendly bacteria and algae to dominate and negatively impact water quality. Eco-Balance uses friendly, 100% natural, probiotic bacteria to help reduce the numbers of bad bacteria in your aquarium. Use Eco-Balance on a weekly basis to restore and maintain a clean, balanced, healthy aquarium.