Pea Soup

Planktonic algae are microscopic plants, usually suspended in the upper few feet of water, which often reach bloom proportions. Their presence will cause water to appear pea soup green or brownish. Natural die-off can cause summerkill of fish due to oxygen depletion.


Usually, only the upper few feet of water require treatment for effective control. At the mercy of wave and current action planktonic algae will sometimes accumulate along the windward shore or in back water areas, thus reducing the size of the treatment area.


It is typical for many natural ponds to impart a planktonic hue of greens or browns and even reds. We recommend only treating if historically the presence of plankton algae leads to large blooms that can cause oxygen depletion/ fish kill and odor issues.