Nutrafin Cycle Biological Filter Supplement, 68-Ounce

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  • Regular price $53.00


Cycle Biological Water Supplement - 2 L

The two liter container of NutraFin Cycle Biological Water Supplement is a high-concentration formula designed to immediately establish a safe biological environment in both freshwater and saltwater aquariums. The fast-acting solution is an all natural product that will not harm plants, animals or humans, and contains proprietary bio-floc technology that preserves product stability, efficacy and shelf life. By releasing massive amounts of beneficial bacteria, the formula reduces fish loss and establishes essential conditions in new aquarium set-ups by eliminating toxic ammonia and nitrites, creating a biologically well-balanced aquatic habitat for your finned friends. Regular application will help to efficiently exclude the establishment of undesirable bacteria in your sensitive aquarium. The heavily regulated production process ensures that every container of NutraFin Cycle Biological Water Supplement contains pure, safe bacterial colonies free of undesirable contaminants. Due to the immediate responsiveness of the beneficial bacteria, aquarists are able to immediately introduce fish into their aquariums, once they are at proper temperature levels of course. Treats up to 4000 gallons.

Dosage Information:

New Aquariums:

  • Day 1: 25 mL per 38 L (10 U.S. gal)
  • Day 2: 10 mL per 38 L (10 U.S. gal)
  • Day 3: 10 mL per 38 L (10 U.S. gal)
All regular maintenance activities (water changes, filter maintenance, etc.):
  • 5 mL per 38 L (10 U.S. gal)
After adding new fish and/or medicating:
  • 10 mL per 38 L (10 U.S. gal)
Weekly dosage to maintain a strong beneficial biological colony:
  • 5 mL per 38 L (10 U.S. gal)