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Aquatic Weed & Algae Treatment Programs

Who We Provide Treatments For

What We Treat

We target all invasive species of aquatic weeds including, but not limited to, Coontail, Eurasian Water Milfoil, Curly Leaf Pondweed, Floating Pond Weed, Sago, Naiad and Phragmites as well as Chara, Filamentous Algae, and other floating and submerged algae.

Treatment Frequency

Our popular Complete Pond Management Program (CPM Program) offers regularly scheduled treatments to ensure your pond is looking great all year. Treatment frequency is based on your ponds individual needs.

Licensed Applications

All of our technicians are fully trained professionals, in full compliance with the Michigan Department of Environmental Quality (DEQ) certification and licensing requirements. The Pond Guy never uses sub-contractors to treat your pond or lake.

In Office Staff

The Pond Guy service department has office staff available by phone, in-store or by e-mail to answer your pond service questions.

DEQ Permits

Does your pond need a permit? No problem! The Pond Guy can assist you with applying for and obtaining any permits for your body of water. Visit the DEQ’s web site to learn more about required water permits in the state of Michigan.

Have Questions or Would Like to Schedule a Pond Side Visit?

Call us 586-336-7663 or

Schedule Pond Side Visit


Aquatic Weed & Algae Treatment

Are these products you use safe?

Only chemicals approved for aquatic use will be used. These chemicals are safe with respect to people, pets and fish when used according to the label. Fish are generally at greatest risk from oxygen depletion resulting from decaying dead vegetation. Homeowner or main contact will be given a treatment receipt at each treatment listing the chemicals applied to the pond and if there are any short-term water use restrictions such as swimming or irrigation.

How long does a pond treatment last?

The length of control depends on the weed(s) treated and the local conditions. Rain, intense sunlight and runoff all play an important role in the effectiveness of a treatment. Generally a treatment will be needed every 15-30 days throughout the summer.

How long will it take to see results after my pond has been treated?

The time it takes to see results depends on the target species. In general, algae will die much quicker than aquatic plants. Signs of a successful treatment can take up to 2 weeks.

What types of chemicals are used?

There are two types of chemicals used, systemic and contact. Systemic herbicides are absorbed by the weed(s) killing the entire weed including the root. Contact herbicides kill only the parts of the weed(s) that they come in contact with. Contact herbicides work faster and are used on weeds that have only one life cycle per season.

When do treatments start for the season?

Temperature is a factor when considering a chemical application. Treatments will begin when the water temperature is at least 55° F to ensure that plants and algae are actively growing. Warmer temperatures also promote activation of aquatic chemicals. Homeowner or main contact will be notified prior to each scheduled treatment.