Seachem ParaGuard™ – Broad-Spectrum Parasite & Disease Treatment
ParaGuard™ is a fast-acting and fish-safe treatment designed to eliminate external parasites and treat fungal, bacterial, and viral lesions. Ideal for quarantine, hospital tanks, or when introducing new fish to a community aquarium.
Key Features:
• Effectively eradicates ectoparasites (including ich and other external parasites)
• Treats external fungal, bacterial, and viral infections such as fin rot and skin lesions
• Safer alternative to formalin-based medications – no formaldehyde or methanol
• Gentle on fish and safe for biological filtration
• Will not alter pH
• Suitable for use in freshwater and marine aquariums
• Ideal for quarantine, hospital, and receiving tanks
Advanced Formula:
• ParaGuard™ contains a proprietary blend of aldehydes, malachite green, and fish-protective polymers that work together to eliminate pathogens while minimizing stress on fish.
• Recommended for use when new fish are introduced or whenever signs of external disease or parasite infestation appear.





