*For use in natural ponds *Will continue to provide sustained biological activity in water temperatures even under 55 degrees F *Helps to jumpstart your pond to a healthier environment in the spring *Helps to maintain a healthy immune system for your fish during winter months *Reduces the build up of dead leaves and organic sediment all winter long *Contains a psychrophillic starins (cold weather bacteria) *If frozen, the bacteria will remain effective after thawing out *Effective in darker conditions (under ice and snow)
