Check the listing for details. CrystalClear? BioClarifier Natural Pond Clarifier. Condition: New. Listed at 32.99 USD. CrystalClear® Biolarifier™ naturally clears water, removes odors and breaks down suspended dead debris and decaying leaves with billions of bacteria colonies and added enzymes. The result is a cleaner pond, healthier fish, improved dissolved oxygen levels and reduced ammonia levels. CrystalClear® BioClarifier™ comes in easy to use water soluble packets and can be used in ponds, fountains, bubblers and disappearing waterfall features. Use when water temperatures are above 50°F. - Clears Pond Water with Natural Bacteria & Enzymes - Seeds & Maintains Biological Filters Keeping Your Pond Healthy & Balanced - Breaks Down Suspended Dead Debris Routine Application Rate Apply BioClarifier™ every 1-2 weeks Persistent Problem Application Rate If a problem arises between routine applications, apply BioClarifier™ at prescribed rate up to every 3 days until the problem is under control. For Best Results Apply BioClarifier™ directly into the filter if possible or apply directly to the pond in an area of the greatest circulation. Optimal Water conditions: pH: 6.5 – 8.5, Dissolved Oxygen: 5ppm, Temperature: 50°F. Item #SizeTreatsCCB002-86 packets6,000 gallons / 500 gallons for 4 monthsCCB002-112 packets12,000 gallons / 1,000 gallons for 4 monthsCCB002-224 packets24,000 gallons / 2,000 gallons for 4 monthsCCB002-696 packets96,000 gallons / 8,000 gallons for 4 monthsCCB002-25300 packets300,000 gallons / 25,000 gallons for 4 months