Wunder Formalin 5% 50ml

  • Regular price $8.95

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Wunder Formalin 5% 50ml

Effective for use on skin & gill Flukes and many other external Parasites. Use with CAUTION.

Key Features:

  • Effective treatment for external parasites
  • Formalin can burn sensitive species and is HIGHLY TOXIC to all fish in overdose.
  • Provide good aeration during treatment, monitor fish for signs of stress and add freshwater if required.
  • 3ml per 20L