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Natural Pond Clarifier Biological Clarifier by Crystal Clear


CrystalClear® Biological Clarifier™naturally clears water, removes odors and breaks down suspended dead debris and decaying leaves with billions of bacteria colonies and added enzymes. Easy to use, water soluble packets.

9 in stock (can be backordered)


Natural Pond Clarifier for a cleaner pond, healthier fish, improved dissolved oxygen levels and reduced ammonia levels!

  • Clears pond water with natural bacteria and enzymes
  • Seeds and maintains biological filters keeping your pond healthy and balanced
  • Breaks down suspended dead debris
  • Safe for all aquatic life
  • Easy to use, pre-measured water soluble packets
  • Contains 6 packets – 6 packets treats 6,000 gallons or 1,000 gallons for up to 2 months
  • Use 1 packet for every 1,000 gallons
  • See Product Label and Safety Data Sheet below for usage directions.  Use only as directed.

Routine Application Rate: Apply Biological Clarifier every 1-2 weeks. Persistent Problem Application Rate: If a problem arises between routine applications, apply Biological Clarifier at prescribed rate up to every 3 days until the problem is under control.

For Best Results:  Apply directly into the filter fif possible or apply directly to the pond in an area of greatest circulation. Optimal water conditions: pH 6.5-8.5, dissolved oxygen 5 ppm, temperature 50 degrees F.

Learn More:

Biological Clarifier Instructional Video

Biological Clarifier Product Lable

Biological Clarifier Safety Data Sheet



Additional information

Weight3 lbs
Dimensions6 × 6 × 6 in


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