Features: 1. With high stability, not easy to decompose and will not make the water muddy. 2. Contains rich organic acid and nutritional ingredient that can promote the growth of aquarium plants. 3. Can make most aquarium plants adapting to weak acid water quality grows well. 4. Simple to use, no need to clean. 5. Suitable for the root growth of most types of grass.Specifications: Condition: 100% Brand New Item Type: Aquarium Accessory Material: Mud Color: As Pictures ShowContent: 1000g/Bag Function: for water grass/plants growth Bag Size: Approx. 22 * 16 * 3cm / 8.7 * 6.2 * 1.1inch Weight: Approx. 1025gUsage: 1. No need to wash before use, otherwise it will led to the water grass mud into powder. 2. Please lay the mud evenly in the bottom of the tank, lower in front and higher in the back of the tank, which can help to make the water plant has three-dimensional effect. 3. Please inject the water slightly in case of impacting the water grass mud. 4. When plant the water grass, please keep the mud dip in the water. 5. After finish planting the grass, please inject the water slightly in to tank. 6. If the water become muddy, please pump the water out and inject clear water slightly again. 7. Please use activated carbon to speed up the clarification of water quality if need after adjust the fish tank.Mud Using Amount: Fish Tank Size Water Capacity Amount of Mud Less Than 30cm / 11.8inch About 10L 2-5kg 30-45cm / 11.8-17.7inch About 20L 6-7kg 45cm / 17.7inch 35L 7-8kg 60cm / 23.6inch