Description
ParaGuard is a broad-spectrum external treatment for saltwater fish and the one most reef keepers reach for on stubborn parasites like Brooklynella and Uronema. It also covers early ich and velvet, fin rot, fungus, bacterial lesions and external worms.
Quarantine tank only – this is not reef safe. Its value is breadth: when a new arrival is clearly unwell and you cannot yet put a name to it, ParaGuard covers a wide range without committing you to copper. Treat the full course rather than stopping the day the fish looks better.
The 2 L size is for high-volume quarantine systems.
Not sure if it suits your setup? Ask our Reef Bot for help choosing, and we can help expedite your order.
Shipping & Returns
- Equipment and dry goods ship at their own rate. Free shipping at $349 or more applies to qualifying livestock only — corals, fish, inverts and live copepods. The $10 box & handling fee is a livestock packing fee and does not apply to dry-goods orders.
- All sales are final on equipment and dry goods. We are a retail store, not the manufacturer.
- Register your product with the manufacturer and keep your receipt — their warranty is how a faulty unit gets replaced, and they are faster at it than a shop could be.
- Not sure who to contact for a warranty claim? Call us and we will point you to the right place.
Ships from our Key West store · (305) 850-9949










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