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.

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

Weight 3.0 lbs
Dimensions 6 × 6 × 6 in


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