These can be used to come up with an average depth figure. Multiplying surface acres times average depth will give acre-feet of water to be treated. Based upon the type of vegetation you intend to control and the size of the area to be treated, the proper chemical and amount can be procured. Several products also come in Ii-quid or granular formulations. Spot treatments or deep-water treatments of 6 feet or more are best done with a granular formulation, if available.
Larger areas are easier to treat with liquids.
Sometimes, algaecides and herbicides can be tank-mixed for the purpose of controlling both weeds and algae in a single application. Studies indicate the combinations actually enhance herbicidal activity. A number of techniques can be utilized for applying aquatic pesticides. It is necessary to choose equipment, which will handle the type of formulation being used and cover the treatment area in a reasonable period of time. It offers portability and utilizes the lake or pond water for diluting the chemical within the pump.