Nuisance Algae's Source

Nuisance Algae’s Source

    A widespread problem in rivers, lakes, estuaries and coastal oceans throughout the United States, high levels of phosphorus and nitrogen are a persistent, hard-to-treat imbalance in nutrients which can cause the loss of oxygen and important fish species while fueling nuisance algal blooms.

Hindering water’s use for drinking, industry, agriculture and recreation, high phosphorous levels are a common source of freshwater algal blooms and reduced water quality.

Hindering water’s use for drinking, industry, agriculture and recreation, high phosphorous levels are a common source of freshwater algal blooms and reduced water quality.

     Common sources of nitrogen and phosphorus include animal wastes, dead organic matter (such as leaves, grass and even fish food), fertilizer runoff (agriculture, golf course, lawn), and faulty septic systems. 

     Because accumulated phosphorus levels can cycle within a pond, creating an ongoing source of phosphorous, long-term management of nuisance algae can be difficult. Even when nutrient sources have been curtailed through watershed management, phosphorus accumulation and internal recycling can continue to degrade water quality for years

SeClear® Algaecide

     Designed from the ground-up to deal with nuisance algae’s often two-part problem, SeClear is the first all-in-one algaecide and water quality enhancer approved by the EPA. SeClear controls the algae present within 3 to 7 days while reducing the amount of available phosphorus for future algal blooms. 

  • Water treated with SeClear is completely safe on turfgrass and ornamental plants and can be used for irrigation immediately.
  • Documented algae control with longer application intervals and smaller follow-up applications.
  • Binds and precipitates nutrients and suspended solids, resulting in improved water quality.
  • Water bodies should be retreated when regrowth appears.
     Copper-based algaecides control the algae present, but not the algae’s source, so management can turn into a cycle of application, temporary improvement and regrowth, followed by reapplication, with little long-term control.

     Copper-based algaecides control the algae present, but not the algae’s source, so management can turn into a cycle of application, temporary improvement and regrowth, followed by reapplication, with little long-term control.


           *Water treated with SeClear may be used for drinking, swimming, fishing, watering livestock and irrigation during and after treatment.  SeClear is ANSI / NSF Standard 60 certified for use in drinking water resources.