Excellent Result - Quality Product - Must Use !!! Controls and removes algae keeps your aquarium water clear Enables aquarium water to clear almost immediately Dosage: 10ml treats 400 litre Direct to use: 1.Calculate the volume of the water to treated (tank length cm x water volume in liter) 2. Measure the correct volume of water clear by measuring cap as per dosages. Aquaria clear - a special formula that all turbidity in freashwater aquariums and ponds. It helps with the prevention of algae and the aquarium water crystal clear. Not harmful to fish and aquarium plants. A slight blue color shading will appear. Keep out of reach of children assistance immediately if over dose. Store at a room in cold place.