EasyBalance® works to maintain healthy levels of essential aquarium water chemistry necessary to keep your fish happy and healthy. This easy-to-use formula regulates pH and alkalinity and reduces nitrates and phosphates. At the same time, EasyBalance replenishes essential vitamins, minerals, and electrolytes for maximum aquarium health. One teaspoon treats 5 gallons. Regular use of EasyBalance reduces the need for water changes for up to 6 months.