(10*10*10cm) Eco-Aquarium Water Purifier Cube Water Cleaning Filter Activated Carbon AdsorbThe product is shipped based on the color or size of the main image of the product page.Size:10*10*10cmDescription: Changing cloudy aquarium water can be troublesome... An unclean aquarium is harmful to the life of your pet fish. Maintain the sanitation of your water pets habitat with the help of this Eco-Aquarium Water Purifier Cube. A fish tank cleaner that filters dirt, cloudiness, and odor... Honeycombed Ultra-Absorption Activated Carbon Block HOW TO USE Wash the cube with warm water and soap before using. Recommended placement is near the water inlet of the fish tank pump. Do not position the grid filter downward, otherwise, it will clog up and affect the filtration effect. For best results, rinse or replace the filter every 3 to 6 months. Features: The aquarium filter water cube is made of activated carbon, dense grid hole structure. It can absorb 99% of harmful bacteria in the aquarium, as well as odor. It can effectively reduce the nitrate bacteria in the aquarium and adjust the PH value. It can also absorb the organic waste in the aquarium. Ch