Material: Fertilizer Size: 12x8.5cm or 4.68"x3.31" Content: 200g Feature: 1. Use natural pollen extract to provide comprehensive nutrition for aquatic plants and promote the healthy growth of water hyacinth and water lily. 2. Unique slow-release formula, prolong fertilizer effect time, reduce water change frequency, more suitable for home fish tanks and courtyard ponds. 3. Rich in nitrogen, phosphorus, potassium and trace component, enhance plant disease resistance, make leaves greener and flowers more colorful. 4. Does not pollute water quality, is safe and friendly to fish and aquatic organisms, and is suitable for use in ecological aquariums. 5. Easy to use, the granular design can be directly sprinkled into the water or buried in the bottom mud, quickly release nutrients, and enhance the ornamental value. Note: 1. Manual measurement may have an error of 1-2cm. Please understand, thank you. 2. Due to the difference between different monitors, the image may not reflect the actual color of the item. Package includes: 1x Bowl of pollen