Aquascape Patio Pond Maintenance Tabs help to provide clean, clear, and healthy water conditions, significantly reducing maintenance required in container water gardens. Our Patio Pond Maintenance Tabs contain eight pure strains of beneficial bacteria to help optimize water quality. The easy-to-use tablets allow you to target your treatment by placing the tablets in certain areas of the water garden, allowing you to spend more time enjoying your water feature. The treatment is completely safe for fish, plants, pets, and wildlife. Each tab will treat 100 gallons of water and the full container treats 3,600 gallons of water total.