HAB Education Packet

 Cyanobacteria (also known as “blue-green algae” are a kind of algae which can produce toxins and are often found in lakes with high nutrient concentrations. Human exposure to these algae can lead to skin irritation, allergic reactions, gastrointestinal symptoms and respiratory problems. Pets and livestock are more likely to drink large quantities of lake water, potentially resulting in illness and/or death. Current research is investigating a potential link between algal toxins and human illnesses such as Alzheimer’s.

The best time for a lake alum treatment in midwestern and northern states is spring (March-May) or Fall (Sept-Nov.), in southern states Spring, Fall or Winter months are ideal.

Yes, HAB’s On-Shore Treatment System is used to control external sources of phosphorus (for example, storm water entering a lake from a ditch or culvert). With this approach, the alum is precisely injected into the external water source and binds the phosphorus to the floc before it enters the lake, thus rendering the phosphorus unavailable for algal growth.

HAB Aquatic Solutions is a full-service alum application company. Contact HAB Aquatic Solutions if your lake is experiencing one or several of the following warning signs:

  • Nuisance algal blooms
  • Low water clarity
  • Noxious Odors
  • Sick pets after consuming water
  • Fish Kills (low oxygen levels)
  • Reduced recreational and property values

No. The alum creates a barrier to the phosphorus that is attempting to leach out of the sediments. However, the barrier is light & porous and does not restrict the movement of groundwater (i.e. spring flow) into the lake.

Algae are free-floating, microscopic plants that play an important role in the function of a lake. They are fed upon by tiny animals called zooplankton which are a critical food item for fish. Algae occur in virtually all lakes, but their concentration can vary considerably through the year and with location. There are literally thousands of species of algae and they all require phosphorus to live and reproduce. Algae color the water green or brown and can reach nuisance levels in lakes with uncontrolled sources of phosphorus.

HAB Aquatic Solutions alum application forms a chemical barrier between the phosphorus rich sediments and the overlying water, which greatly reduces phosphorus leaching from the lake bottom. The barrier ultimately reduces the amount of phosphorus available for use by the algae and reduces excessive algal growth (a.k.a. blooms). A single application remains effective for years.

Yes. Most lakes either have algal problems or will develop them as they age. Algal problems are easier to prevent than control. HAB’s approach is a great way to protect or improve your lakeside property investment.

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