Shrimp Pillows, exclusively available from Shadow House Shrimp, are designed to enhance the clarity of your aquarium water. They effectively remove toxins and introduce beneficial minerals to your shrimp tank. These compact pillows can be easily incorporated into your filtration system, whether placed in your HOB (Hang On Back) filter or positioned underneath your sponge filter. Despite their small size, these pillows offer long-lasting effects, lasting for months. Rest assured, they are 100% safe for all aquatic life and completely free of copper. Elevate the health of your shrimp tank with Shrimp Pillows.