Features: 1. Unclean water tanks can be harmful to 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 livestock water troughs. The solid composition contains no powder or impurities and does not discolor 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 in the water tank. Rinse with warm water before initial use. Can be rinsed and reused; regular maintenance is recommended. For optimal performance, replace every 6 months. One cube treats up to 150 liters. Multiple cubes may be required depending on tank size. 5. Helps support clean drinking water for farm animals and aquatic pets. Note: This product is not intended for use with human drinking water. Notice: - Actual color may vary slightly due to monitor differences and lighting conditions. - 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