Check the listing for details. Evolution Aqua Pure Pond Bomb - Fast Acting Clarity Boost. Condition: New. Listed at 21.99 USD. Pure Pond Bomb is a fast-acting, concentrated form of Pure Pond, the award-winning bacterial product from Evolution Aqua. Pure Pond Bomb is ideal for use in Koi ponds, ornamental ponds, self-contained water features or ponds without conventional filtration. The Pure Pond Bomb is a unique combination of beneficial bacteria and enzymes that work fast to clean up organic waste and break down ammonia and nitrites, leaving your pond crystal clear and healthy. How to Use Simply drop the Pure Pond Bomb into the pond filter or directly into the water. The bacteria and enzymes will react to the biological issues in your pond. When starting up a new filter, drop the Pure Pond Bomb into the biological stage of your filter, and the high concentration of bacteria will help to help the filter media to mature.Perfect for maturing a new filter or for emergency ammonia/nitrite reductionSuitable for use in all types of pondsCan be used within biological filter for maximum impactNot intended to clear green water -- can be used in conjunction with UV clarifierWorks best at temperatures above 12oC (54oF)Dosage Beneficial bacteria are a natural product, and cannot be overdosed. Can be used on a monthly or bimonthly basis. One container treats up to 5200 gallons. PurePond