Seachem ParaGuard Aquarium Fish Treatment 500 ml

Seachem ParaGuard 500 ml is an aquarium treatment for external parasites and certain external lesions on ornamental fish. It is intended for freshwater or marine fish treatment, including hospital and quarantine systems.

Key features

• Aldehyde-based formula with malachite green
• Contains no formaldehyde or methanol
• 500 ml bottle

How to use

Remove invertebrates and chemical filtration before use. The standard aquarium dose is 5 ml per 40 L daily as needed, only while fish show no signs of stress. Follow the manufacturer's full treatment guidance for the condition being addressed.

Important notes

Not recommended for reef aquariums. Eels, loaches, rays and sharks can be medication-sensitive. Check suitability before treatment; similar symptoms can have different causes.

Manufacturer product and usage guidance