Ingredients: High molecular weight polymer Net content: 35 tablets Usage: Take 2 tablets every 10 liters of water, and use once every 3-5 days Feature: 1. Efficient water purification: The fish tank water purification sheet can effectively remove impurities from the water and maintain the clear and transparent water quality of the fish tank. 2. Long term durability: Fish tank water purifiers have the characteristic of long-lasting durability, without frequent replacement, saving time and energy. 3. Easy operation: Using the fish tank water purifier is very convenient. Simply put the water purifier into the fish tank and wait for it to take effect, saving time and effort, suitable for busy fish tank enthusiasts. 4. Reduce maintenance costs: Fish tank water purifiers can stabilize water quality, reduce water quality fluctuations, lower maintenance costs, extend the service life of filters and pumps, and are a good helper for fish tank maintenance. 5. Enhance ornamental value: The fish tank water purification sheet can maintain clear and transparent water quality, enhance fish dynamism, and increase the ornamental value of the fish tank, allowing you to enjoy a clear and transparent aquarium world. Attention: 1.Due to manual measurement, there may be a 1-3mm error in product dimensions. 2.The color of the product may have errors due to objective reasons, and the actual product is the main focus. The product includes: 1 * fish tank water purification tablet (35 pieces)