Specifications: ‣ Dosage Form: Liquid ‣ Active Ingredients: Formalin, Malachite Green ‣ Pet Type: Fish ‣ Pet Age Range: All ages ‣ Dosage: 1 teaspoon per 10 gallons of water, repeat daily for 3-4 days. Key Features: ‣ Effective Disease Treatment: Treats ick (ich) and other external parasites in fish. ‣ Rapid Action: Quick-acting formula helps eliminate parasites effectively. ‣ Safe for Freshwater & Saltwater: Suitable for a variety of aquatic environments.