Maintaining good water quality in lakes is important for protecting human health, supporting biodiversity and ecosystem services, and promoting economic development and recreational activities. Many lakes are used as a source of drinking water for humans and animals and a habitat for a variety of aquatic plants and animals, including fish, amphibians, and invertebrates. They provide important ecosystem services, such as nutrient cycling and natural water purification. Poor water quality can make the water unsafe to drink, leading to waterborne illnesses, and can harm or kill aquatic organisms, attributing to biodiversity decline.

Many people also use lakes for recreational activities such as swimming, boating, and fishing. Poor water quality can make these activities unsafe or unpleasant. Lakes can provide economic benefits, such as tourism and recreational opportunities, and poor water quality can negatively impact these benefits.

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How to improve water quality parameters with chemical-free nanobubbles

Key quality parametersfor healthy lakes

Monitoring water quality parameters is important for understanding and managing the health of lakes and other aquatic ecosystems. There are several key water quality parameters that are important for assessing the health of a lake: 

  • Temperature: Water temperature affects many physical and chemical processes in a lake, including dissolved oxygen concentrations, nutrient availability, and the growth rates of aquatic plants and animals.
  • Dissolved Oxygen: Dissolved oxygen is necessary for the survival of fish and other aquatic organisms. Low levels of dissolved oxygen can occur when organic matter decomposes in the water, leading to hypoxic or anoxic conditions, where few organisms can survive.
  • pH: pH is a measure of the acidity or alkalinity of water. Changes in pH can affect the solubility of nutrients and the toxicity of certain substances to aquatic organisms.
  • Turbidity: Turbidity is a measure of the number of suspended particles in the water. High levels of turbidity can reduce light penetration, interfere with the growth of aquatic plants and reduce water clarity.
  • Nutrients: Excessive levels of nutrients, particularly nitrogen and phosphorus, can cause excessive growth of algae and other aquatic plants, leading to eutrophication and oxygen depletion that can cause harmful algae blooms and death to aquatic animals.
  • Chlorophyll-a: Chlorophyll-a is a pigment found in algae and other photosynthetic organisms. Measuring chlorophyll-a concentrations can provide an indication of the amount of phytoplankton in the water.
  • Oxidation-reduction potential (ORP or Redox): ORP is a measure of the tendency of a solution to either gain or lose electrons. In the context of lakes and ponds, ORP is an important water quality parameter that can provide insight into the oxygen levels and other chemical reactions occurring in the water. ORP is primarily determined by the balance between the amount of dissolved oxygen (a strong oxidizing agent) and other substances that can act as reducing agents, such as organic matter, hydrogen sulfide, and iron. When dissolved oxygen levels are high, the ORP is positive, indicating a strong oxidizing environment. Conversely, when oxygen levels are low, the ORP is negative, indicating a reducing environment.
  • Total dissolved solids (TDS): Total dissolved solids are a measure of the amount of dissolved solids, such as minerals, in the water. High levels of TDS can affect the taste and quality of the water and can be indicative of pollution.
  • Bacteria: Bacteria, such as E. coli, can be present in the water and can indicate contamination from sewage or other sources. High levels of bacteria can pose a risk to human health.
  • Metals: Certain metals, such as lead and mercury, can be toxic to aquatic organisms and can accumulate in the food chain. Monitoring metal concentrations can help identify potential sources of contamination.

A chemical-free tool to maintain water quality in lakes and ponds

Nanobubble technology is a restorative tool to help address several issues that lead to poor water quality.

Nanobubbles are extremely small bubbles, typically less than 100 nm in diameter, that have unique properties and potential applications in water treatment. Nanobubbles can help improve key water quality parameters for lakes in the following ways:

Dissolved oxygen: Compared to conventional aeration which has a low oxygen transfer efficiency (1-20% depending on the technology), nanobubble technology has a high oxygen transfer efficiency, at over 85%, which means that it can help increase the dissolved oxygen levels in water much more effectively. This is particularly useful in lakes where low oxygen levels can lead to fish kills and other negative impacts on aquatic life.

Turbidity: Nanobubbles can help reduce turbidity in water by attaching to and lifting suspended particles to the surface where they can be easily removed.

Nutrient removal: Nanobubbles can help remove nutrients, such as nitrogen and phosphorus, from water by promoting the growth of beneficial microorganisms that consume these nutrients. This can help prevent eutrophication and the harmful effects it can have on aquatic life.

Bacteria control: Nanobubbles have been shown to have antimicrobial properties that can help control the growth of harmful bacteria, such as E. coli, in water.

Metal removal: Nanobubbles can also help remove certain metals, such as arsenic and cadmium, from water by promoting their precipitation or adsorption onto surfaces. If Iron is present the increased ORP provided by nanobubbles oxidizes the iron and sequesters phosphorus, a contributor to eutrophication.

Overall, the use of nanobubbles in lake water treatment has the potential to improve water quality and mitigate some of the negative impacts of poor water quality on aquatic life, human health, and the environment.

Moleaer’s nanobubble generators are easy to install and maintain and come in a broad range of sizes to meet the needs of various-sized water bodies. For larger-sized lakes and ponds, Moleaer offers the Clear nanobubble generator, which offers 50 and 150 GPM models with optional remote monitoring solutions.

And, for smaller, harder-to-treat waterbodies, Moleaer has the Kingfisher with a 40 GPM flow rate.

Both nanobubbles are easily mounted on the shore of your lake or pond, recirculating water to continuously inject nanobubbles. This helps reduce algae growth, promote beneficial bacteria, increased dissolved oxygen at the sediment layer and improve overall water quality and clarity.

Learn more: Effects of Fertilizer Runoff on Drinking Water Quality

To learn more about other powerful and unique water filtration systems distributed by Song Phung, order online at the website or call hotline 0913.90.72.74 – 0984.620.494 to be consulted in detail.

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Translator: Duong Nguyen Hoang Khang 

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