Keep your water feature free from algae growth, green slime, and odor with Smart Living 80910R01 Fountain Fresh Pods Clarifier 25-Pack. Containing a unique blend of enzymes and extracts, these all-natural, non-toxic pods dissolve in warm water and are safe for people, pets, fish, birds, and plants. No scooping or measuring is required. Enjoy clear water and a longer life of your water feature with these fountain fresh clarifier pods.