About this item Comprehensive Treatment BACTONIL-FW provides effective treatment for both internal and external bacterial infections in fish, addressing issues like skin discoloration, ulcerous wounds, inflammations, mouth fungus, cloudy eyes, pop eye, fish bites, and fin rot. Broad Spectrum Efficacy This broad-spectrum anti-bacterial remedy is effective against ulcerous wounds, mouth fungus, fin rot, reddish patches, and physical injuries. It is suitable for use in hospital or quarantine tanks and may cause temporary yellow shading in the water. Recommended Application BACTONIL-FW is commonly prescribed for treating common diseases in flowerhorn, arowana, and discus fish, often in combination with PARACIDOL-FW or STRESS HEAL for enhanced effectiveness. User Guidelines Before treatment, remove carbon and zeolite from the filter and replace them after 10 days. Administer the remedy on days 1, 2, 3, 4, and 5, or as advised by your aquatic professional. Discontinue use once symptoms disappear and perform a minimum 15% water change daily if necessary. Dosage Use 10 ml per 50 liters of water. Available Sizes BACTONIL-FW is available in 60 ml, 120 ml, 220 ml, and 500 ml bottles.