- Tetra 231566 water clarifier for ponds, formulated to quickly remove suspended particles. - Provides crystal clear water and improves pond visibility in just 6 to 12 hours. - The active ingredients bind fine particles, making it easier to remove them through the filter. - Safe for fish and aquatic plants, with no risk to pond fauna or flora (except sturgeons). - Easy to apply: shake before use and add 50 ml for every 1,000 liters of water. - Requires checking carbonate hardness (KH) before use; it must be equal to or greater than 6 °dH. - Does not replace anti-algae treatments; for suspended algae, use specific products. - Promotes the well-being of fish and plants, maintaining the balance of the aquatic ecosystem.