AQUAEL Magic Algae Stop is offered in the form of a small sachet that can easily fit into any filter container. Thanks to its unique properties, it prevents the growth of floating green algae responsible for the so-called green water effect. By removing algae from the water, it restores its clarity and transparency. The operating principle of AQUAEL Magic Algae Stop is based on efficient chemical absorption of phosphates, nitrites, and nitrates, which constitute a natural breeding ground for algae. The removal of these substances is a very effective way to control the growth of algae without harming the fish, shrimp, and higher plants.AQUAEL Magic Algae Stop+ antialgal filter media+ removes floating green algae, restores water clarity+ content sufficient for up to 100 l+ lifetime: 6-8 weeks+ use more packages for larger tanks+ for all types of filters (internal, hang-on and canister filters)Application of AQUAEL Magic Algae StopBefore use, thoroughly rinse the filter media under runnin