Maintain your pond and keep it balanced all year long with the Lake and Pond Healthy Bacteria Packs. The bacteria in this kit is designed to help break down organic materials in the water and diminish nutrient overload. It also helps reduce odor and facilitates a clean and healthy pond. Each pack includes 50 water soluble bags of highly concentrated dry blends of cellulose enzymes, hyper cellulose producing bacteria and bacteria designed to work in cold weather. This cold weather bacteria is ideal for the breakdown of leaves, sediment and other accumulated dead organic waste. It applies easily, is environmentally friendly, safe for fish and plant, and dissolves within 5 minutes.