Features: 1. Made from safe ingredients, and does not bring harm to the fish. 2. Clears cloudy aquarium water. Works fast and maximizes filter efficiency. 3. Use weekly and when cloudy water is observed in freshwater aquariums only. 4. An unclean aquarium is harmful to the life of your pet fish. Say goodbye to the trouble of constantly changing cloudy aquarium water. 5. Perfect for aquariums, fish tanks, ponds, and more. Make your fishes healthier and have a livelier & clean ecosystem. Notice: Actual color may be slightly different from the image due to different monitor and light effect. Please allow 1-3cm deviation due to manual measurement. Description: Weight: 30g Color/Style: As the picture shown includes: 1 box of Fish Tank Water Purifying Powder