Features: 1. The unclean water tank can negatively impact the health of farm animals. Reduce the need for frequent water changes with cloudy tanks. Water Purifier Cubes are ultra-absorption activated carbon blocks designed to help maintain clean drinking water for livestock. 2. Water Purifier Formula: Made from honeycombed ultra-absorption activated carbon blocks, these cubes effectively filter dirt, cloudiness, and odors from livestock water troughs. Solid composition—no powder or impurities—and will not discolor water. 3. Safe for Animals: Designed to provide cleaner water for various animals, including fish and reptiles. Intended for animal use only. 4. Easy to Use: Simply place the cube in the water tank. Rinse with warm water before initial use. For maintenance, clean with mild soap and warm water and return to the tank. With proper care, each cube lasts up to 6 months. One cube treats up to 150 liters of water. Depending on tank size, multiple cubes may be required. 5. Help ensure cleaner drinking water for farm animals and aquatic pets with Water Purifier Cubes. Specifications: Material: Natural activated carbon, sepiolite clay mineral Size: 10 x 10 x 10 cm Includes: 1/2/4 (optional) x Water Purifier Cubes Note: This product is not intended for purifying water for human consumption. Actual color may vary slightly due to monitor differences. Allow 1–3 cm variation due to manual measurement.