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The Foundation for Routine Algae Management

Nuisance Algae
Whether it’s filamentous algae (“scum”) in your backyard pond or toxic cyanobacteria in lakes and reservoirs, nuisance algae is trouble and potentially harmful. When left unmanaged, nuisance algae can cause the loss of oxygen, death of fish, and hinder water’s use for swimming, fishing, drinking, power generation and irrigation. Excess levels of phosphorous (e.g. eutrophication) is a widespread problem in rivers, ponds, lakes and reservoirs.

SeClear Algaecide & Water Quality Enhancer®
In 2010, SeClear (liquid) was the first all-in-one algaecide and water quality enhancer approved by the US EPA. Because of eutrophication, successful management of nuisance algae and improving water quality can be difficult. Other copper-based algaecides, such as the old standard copper sulfate, can control some algae present but does nothing to address phosphorus and water quality. Thus, management can turn into a cycle of application, temporary improvement, rapid regrowth, with no progress toward long-term water quality improvements.

SeClear was designed from the ground up to control nuisance algae and enhance water quality. By treating the algae present and reducing the amount of available phosphorous and suspended solids with each application, SeClear has been documented to provide algae control, longer intervals between applications, smaller follow-up applications and better water quality.


Where to buy: To purchase SeClear Algaecide and Water Quality Enhancer, contract your regional SePRO Specialist or authorized SePRO Distributor. Always read and follow label directions.







SeClear bottle







SeClear G bag

SeClear G is now available

SeClear Algaecide Specimen Label (PDF)

SeClear Algaecide Material Safety Data Sheet (PDF)


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