To use this product, simply add the recommended amount to your freshwater aquarium as directed on the label. For best results, add it during water changes or when setting up a new tank. Make sure to store the product in a cool, dry place. Avoid exposing it to extreme temperatures. Keep an eye on the water quality regularly. If you notice any unusual changes in the aquarium, such as cloudy water or fish distress, stop using the product and consult an aquarium expert.