Keep beneficial bacteria working through colder months with Outdoor Water Solutions Fall & Winter Blend Beneficial Bacteria. This cold-water formula remains active down to 38°F and helps break down leaves, sticks, sludge, dead algae, and other organic matter when standard warm-season bacteria slow down.
Fall & Winter Pond Bacteria
Designed for fall, winter, and early spring pond maintenance, the concentrated bacteria and enzyme blend is packaged in convenient water-soluble pouches for easy application with no mixing or measuring.
Cold Water Beneficial Bacteria for Ponds
- Active in water temperatures down to 38°F
- Helps digest muck, sludge, leaves, and organic debris
- Helps reduce excess nutrients and odors
- Water-soluble packs are easy to apply
- Safe for fish, aquatic plants, pets, and wildlife when used as directed
- Made in the USA
Apply every two weeks while water temperatures are approximately 38°F–60°F. Outdoor Water Solutions recommends 8 packets (4 lb.) per acre every two weeks, with a doubled initial dose for heavy organic buildup.
- FREE Shipping via FEDEX, LTL Ground, & UPS. Ships in 2-3 Business Days.
- Ships Only to Lower 48 States of the United States