Help keep your fresh or saltwater aquarium algae-free with the Microbe-Lift Algaway 5.4 Algae Control Aquarium Algaecide. This product is designed to reduce algae in self-contained aquariums, decorative ponds, and fountains without any outflow. Plus, this product is fine to use with your decorative plants. Make sure to scrub any excess algae off of the sides and ornaments in your aquarium; add this product near the filter outflow and remove any dead algae.