The Future of Chemical-Free Algae Solutions for Recreational Lakes - LG Sonic

The dangers that come with algal blooms

As we move deeper into 2025, the challenges surrounding algae management in recreational lakes continue to demand innovative solutions. Algae blooms are often fueled by nutrient pollution and climate change. They threaten not just water quality but also the economic and recreational value of lakes. For lake managers and recreational companies, the need for advanced, sustainable, and chemical-free algae management strategies has never been more urgent. Our technologies are at the forefront of this effort. They are redefining how recreational lakes are monitored and treated to ensure safe, enjoyable water for everyone.

Harmful algal blooms (HABs) are often caused by cyanobacteria, also known as blue-green algae. These organisms can produce toxins such as microcystins, anatoxins, and cylindrospermopsins. These toxins can affect humans and animals in various ways:

• Microcystins:  These toxins primarily target the liver. They can cause symptoms such as abdominal pain, nausea, vomiting, and even liver failure in severe cases. Prolonged exposure can increase the risk of liver cancer.
• Anatoxins:  Known as “Very Fast Death Factor,” anatoxins impact the nervous system. They can lead to symptoms such as dizziness, respiratory distress, and, in extreme cases, paralysis and death.
• Cylindrospermopsins:  These can damage the liver and kidneys. They cause symptoms such as vomiting, diarrhea, and general malaise.

One tragic example of the dangers posed by algal blooms occurred in 2023. A dog named Cora died at El Dorado Beach in South Lake Tahoe due to harmful algal blooms (HABs). The case of Cora went viral as the owner, Anais Felt, posted about it on TikTok. A week later, the Nevada Division of Environmental Protection and the Lahontan Regional Water Quality Board conducted a comprehensive three-week investigation. This research was done to confirm whether HABs caused Cora’s death. They concluded that it was indeed due to the presence of HABs in the water.

Why traditional methods fall short

• Algaecides:  Historically, algae management has relied heavily on reactive measures, such as chemical treatments or mechanical removal. Chemical treatments, such as algaecides, often fail to address the underlying causes of blooms. They cause the algal toxins to be released into the water more quickly and in greater quantities, recycling the nutrients that support blooms. There is ample evidence to support this.

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