Upstream BioClear contains a blend of colourless and odourless bacteria that quickly consume dissolved nutrients in the water effectively starving the algae of its food source. Other strains of bacteria in the formulation also help to consume the buildup of organic material at the bottom of the water such as leaves and other dead plant material.
 
Upstream BioClear is a natural and non-herbicidal control product for algae growth. It helps eradicate unsightly organic material in water. It should be used prior to onset of algae growth. For optimum efficiency it should be used in still or slow water above 10 degrees between April and October. 1 water soluble packet covers 125-500m³.