Clear the way for a beautiful tank with Dr. Tim’s Aquatics Freshwater Clear-Up Aquarium Cleaner. This freshwater cleaner is a completely natural water clarifier. It’s designed to clear up cloudy water with the use of beneficial bacteria. It doesn’t contain any chemicals that could harm your fishy pals or aquatic plants. It’s also formulated so it can’t be overdosed. This quick and effective formula helps provide crystal clear water and an enjoyable swim for your finned friends!