The unique formula of Nature’s Blend nutrient consuming bacteria – many which naturally occur in lakes and ponds, will perfectly balance your pond by encouraging all cultures to work in harmony. Nature’s Blend is a dry formula in ½ pound water-soluble packets that utilizes a spectrum of bacterial cultures that work in different temperatures. This ensures that a sudden change in temperature won’t cause problems with your pond’s balance. Recommended for water temperatures 15°C to 24°C. Initial dosage is 3 lbs per surface acre and maintenance dosage is 1 lbs per acre.