Tetra Pond Filter Zym speeds the development of new pond filters by development of filter bacteria. Tetra Filter Zym provides an ideal environment for natural filter bacteria to grow. This prduct is ideal to use in a new pond or after performing maintenance to the filters. Filter bacteria breakdown toxic ammonia and nitrite, Tetra Filter Zym provides an environment in which bacterias can establish themselves more quickly, thereby suipporting healthier environment and the safer stocking of fish. Break the capsules and sprinkle the powder directly over the filter media. Use 3 capsules in new filters or when replacing filter media. For maximum effect, leave pumps switched off for 2 hours after application. Add 2 capsules every 4 weeks for long term, healthy biological activity. 10 capsule pack.
