As aquariums age water chemistry changes. Tetra® Easy Balance® works to prevent harmful conditions caused by these changes. This proprietary formula provides a safety net between water changes adding vitamins regulating water pH and reducing pollutants to help optimize water quality. pH balance is gradual and safe. Dose your aquarium monthly by adding Tetra Easy Balance directly to the water – regular use helps maintain a healthy aquarium and reduces water changes. Shake well before using. The top of the screw cap can be used for measuring – use 10 mL or 2 teaspoons to treat 5 gallons. For aquariums with high fish stock of if you are late in conducting a water change treat aquarium water weekly. Because Tetra Easy Balance works by biological processes the aquarium water should be well aerated. Since 1951 Tetra has developed the world’s most comprehensive body of fish food knowledge and fishkeeping enthusiasts have looked to the brand for products and solutions that add ease and beauty to their home. Whether you re an experienced hobbyist or just starting out Tetra has everything you need – from a large variety of quality fish food and innovative equipment to test kits and decor.