- [EFFICIENT WATER PURIFICATION] Utilizing advanced activated carbon technology, this horse water trough purifier cube effectively removes impurities, ensuring your pets have access to clean and safe drinking water. - [VERSATILE APPLICATIONS] Ideal for both horse troughs and aquariums, this filter cube meets diverse pet care requirements while maintaining superior water quality. - [EASY MAINTENANCE] When the purification effectiveness decreases, simply flush the filter without needing to remove the carbon. Exposing it to sunlight for five hours will help rejuvenate its filtering capabilities. - [OPTIMAL USAGE GUIDELINES] For maximum efficiency, use one filter cube in tanks under 60cm, two for tanks between 60-90cm, three for tanks ranging from 90-120cm, and four for larger tanks up to 150cm. - [APPLICATION SCENARIOS] 1. Use in horse troughs to keep water clean and fresh for your horses, promoting better hydration and health. 2. Place in aquariums to maintain crystal-clear water, creating a healthy environment for fish and aquatic plants. This filter cube is designed to enhance your pet care routine, providing reliable water purification tailored to your specific needs.