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Seachem ParaGuard 500 mL Broad-Spectrum Fish Treatment Parasite & Fungal Control Freshwater & Marine Safe

Seachem ParaGuard 500 mL is a powerful yet gentle, broad-spectrum aquarium treatment designed to control external parasites, fungal infections, and bacterial lesions in both freshwater and marine fish. Unlike harsh formalin-based medications, ParaGuard uses a safer aldehyde-based formula that is effective without damaging biological filtration when used as directed.

Ideal for use in quarantine tanks and hospital setups, ParaGuard treats common issues such as:

Ich (White Spot Disease)
Velvet
Fin rot
External parasites
Fungal patches
Bacterial lesions

The 500 mL size is perfect for medium to large aquariums, fish rooms, and multi-tank systems.

Key Benefits

  • 🐠 Treats External Parasites & Fungal Infections
  • 💧 Safe for Freshwater & Marine Fish
  • 🧫 Gentler Alternative to Formalin
  • ⚙️ Does Not Harm Bio-Filter (When Used Properly)
  • 🏥 Ideal for Quarantine & Hospital Tanks
  • 📦 500 mL Great for Larger Systems

⚙️ Product Details

Brand: Seachem
Product Name: ParaGuard
Size: 500 mL
Type: Broad-spectrum fish treatment
Aquarium Type: Freshwater & Marine

Best For:

  • Ich & velvet treatment
  • External parasites
  • Fungal outbreaks
  • Quarantine procedures
  • Preventative dips for new fish

💡 Directions for Use (Summary)

Dose 5 mL per 10 gallons daily
Remove invertebrates before treatment
Turn off UV sterilizers during treatment
Continue for 714 days as needed

Always follow manufacturer instructions carefully.

❓ FAQ Seachem ParaGuard 500 mL

Q: Is ParaGuard safe for plants?
A: Yes, generally safe for planted aquariums when used as directed.

Q: Can it be used in reef tanks?
A: Remove invertebrates before treatment. Best used in quarantine tanks.

Q: Will it harm beneficial bacteria?
A: When used as directed, it does not significantly disrupt biological filtration.

Q: Is this safe for scaleless fish?
A: Yes, but always monitor sensitive species carefully.


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