API Stress Zyme 473ml

API STRESS ZYME Freshwater and Saltwater Aquarium Cleaning Solution contains over 300 million live bacteria per teaspoonful to consume sludge and organic debris, keeping gravel and glass clean and boosting the natural aquarium cycle, reducing aquarium maintenance over time. Use it weekly in freshwater and saltwater aquariums to maintain a strong biological filter and a healthy, clean aquarium "