Awood Nutrient LiquidNutrient liquid is fermented by a variety of organic substances. It provides rich nutrient that targets the soil bottom and benefits aquarium plants, algae and microorganism to enhance the shrimp condition. Adding nutrient liquid will also extend and stabilize the aquarium environment. It can be used when starting a new tank, after water changes, and during weekly maintenance. Directions: Usage for 50 liters. 3 ml or 10 pumps for setting new tanks. 0.