Features: 1. Unclean water tanks can be harmful to the health of farm animals. The Water Purifier Cubes are ultra-absorption activated carbon blocks designed to help maintain clean drinking water for livestock, reducing the need for frequent water changes. 2. Water Purifier Formula: Made from honeycombed ultra-absorption activated carbon blocks, these cubes help filter dirt, cloudiness, and odors from animal water troughs. The solid composition contains no powder or impurities and will not discolor the water. 3. Safe for Animals: Designed to provide cleaner water for various animals, including fish and reptiles. For animal use only. 4. Easy to Use: Simply place the cube into the water tank. Rinse with warm water before initial use. Clean with mild soap and warm water for reuse. With proper maintenance, each cube can last up to 6 months. One cube treats up to 150 liters of water. Multiple cubes may be required depending on tank size. 5. Helps support clean drinking water for farm animals and aquatic pets. Notice: - Actual color may vary slightly due to monitor settings and lighting. - Allow 1–3 cm variation due to manual measurement. Specification: - 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 use with human drinking water.