🌟 Dive into Clarity with Tetra Pond! Not recommended for ponds with live plants, preserving your aquatic ecosystem. Carefully follow instructions for hassle-free application. Formulated specifically for ornamental fish, keeping your aquatic friends safe. Each block treats up to 250 gallons, ensuring optimal results. Effectively controls algae growth for pristine ponds. Fish Target 100 Gallons 0.35 Pounds The Tetra Pond Block (4 Count) is a powerful algae control solution designed specifically for ornamental fish ponds. Each block treats 250 gallons, ensuring your pond remains clear and healthy for your aquatic life. With a lightweight design of just 0.35 pounds and a gelatin-free formula, it's easy to use and safe for your fish. Just remember, it's not for ponds with live plants!