Seachem PolyGuard 10gram

Price: $7.49 - $15.16
(as of Nov 22, 2025 11:16:25 UTC – Details)

Introduction to PolyGuard

PolyGuard is a highly effective medication designed to keep freshwater fish free from disease. It is a broad-spectrum treatment that safeguards against all prevalent bacterial, fungal, and parasitic diseases affecting exotic fish. This medication can be used in both freshwater and marine aquaria, but it is specifically recommended for the treatment of certain diseases in marine and freshwater fish only.

Important Usage Guidelines

It is crucial to note that PolyGuard is not recommended for use in any style aquarium containing invertebrates, corals, crustaceans, or elasmobranchs (sharks and rays). This restriction is essential to ensure the safety and well-being of these sensitive aquatic creatures.

Features

• Broad Spectrum Medication: Effective against a wide range of bacterial, fungal, and parasitic diseases.
• Suitable for Freshwater and Marine Fish: Can be used in both freshwater and marine aquaria for the treatment of certain diseases.
• Absorbed through the Gills: Ensures effective treatment by being absorbed directly through the fish’s gills.
• For Ornamental Fish: Specifically designed for the health and well-being of ornamental fish.

Pros

• Highly Effective: Proven to be very effective in treating and preventing diseases in freshwater fish.
• Easy to Use: The medication is absorbed through the gills, making it straightforward to administer.
• Long Shelf Life: With proper storage, PolyGuard remains effective for a long time.

Cons

• Not Suitable for All Aquatic Life: Cannot be used in aquariums with invertebrates, corals, crustaceans, or elasmobranchs.
• Specific Usage Restrictions: Must be used according to the recommended guidelines to ensure safety and effectiveness.

Product Details

• Product Dimensions: 1 x 1 x 4 inches; 0.35 ounces
• Item Model Number: 762
• Date First Available: May 31, 2004
• Manufacturer: Seachem Laboratories, Inc.
• ASIN: B0002DGMJ8

Customer Reviews

PolyGuard has received a rating of 5.0 out of 5 stars based on customer reviews, indicating a high level of satisfaction with its effectiveness and ease of use.