* Glyphosate can be toxic to fish and other aquatic organisms. The toxicity of glyphosate varies depending on the species of organism and the concentration of the herbicide. Fish, frogs, and other amphibians are particularly sensitive to glyphosate, and even low levels can cause harm. It is important to avoid spraying glyphosate directly on or near water bodies, and to follow the directions on the product label for proper application rates and methods.
* Glyphosate can also harm beneficial plants in the pond ecosystem. Glyphosate is a non-selective herbicide, meaning that it will kill any plants that it comes into contact with, regardless of whether they are weeds or desirable plants. This can disrupt the balance of the pond ecosystem and make it more susceptible to harmful algal blooms and other problems. It is important to target the application of glyphosate carefully to avoid harming beneficial plants.
* Glyphosate can persist in the environment for a long time. Glyphosate is not easily broken down in the environment and can remain active for several months or even years. This can have long-term effects on the pond ecosystem, including the potential to harm fish and other aquatic organisms that come into contact with it. It is important to use glyphosate only as needed and to avoid over-application.
Overall, it is possible to use glyphosate safely on pond weeds by following the directions on the product label and taking precautions to minimize the risk of harm to the environment and human health. However, it is important to consider the potential risks and benefits of using glyphosate before applying it, and to seek advice from a qualified professional if you have any concerns.