250 ml is used to purify 5 m³ of water. Before use dilute by a factor of 100 and pour immediately over the whole surface of the pond while mixing it in with a strong water stream from a hose or with a stick. Let the water sit for several hours and then skim algae scum from the surface using an aquarium net. The next day, suck sediments settled at the bottom of the tank through a hose and add some fresh water to the pond. After a few days, water clarification should be done again using a half dose of Aquaclar pond plus. It is also possible to add a half dose of Antyglon pond plus to maintain water clarity as this conditioner prevents excessive water light exposure. Aquaclar acidifies water. Never use when pH is lower than 7, and carbonate hardness lower than 5°d. Rapid changes in pH adversely affect fish. To raise pH and carbonate hardness use Aqualkal pond. In case of pouring the conditioner over floating pond plants, wash them with water. Aquaclar is not harmful to submerged plants.