Approximately 20% the size of regular PONDTABBS®, PONDTABBS® Jr. water soluble tablets combine controlled nitrogen release with rapid nutrient availability in a form which provides optimum feeding for all of your aquatic plants. When used as directed PONDTABBS Jr. will not effect algae growth or have any negative effect on fish. It is recommended that you feed your plants monthly during the growing season at a rate of one PONDTABBS Jr. tablet per gallon of soil. When the water temperature rises above 72 degrees feeding PONDTABBS Jr. should be increased to every two weeks. PONDTABBS Jr. nutrients will release within five minutes.