Pond Weed Control Copper Sulfate

How to control and get rid of pond and lake weeds cheaply.

Pond weed control copper sulfate.

On certain occasions we may recommend mixing copper with an aquatic herbicide to kill a weed like eurasion watermilfoil but for the most part copper is for algae control in ponds not weed control. An additional hazmat shipping charge 30 00 has been added to the 50 pound price. In water with an alkalinity 50 ppm the rate of copper sulfate needed to control algae can be toxic to fish. The method or combination of methods used will depend on factors such as target weeds non target plants and the uses of the water fishing swimming livestock watering and irrigation.

While copper sulfate is exceptionally effective in treating algae and aquatic weeds there is potential for damage to wildlife as it is a toxic substance copper sulfate is ironically very toxic to fish moderately toxic to birds very toxic to invertebrates like snails crustaceans and insect larvae as well as mammals if too much of the water is consumed or direct contact with the chemical. Is 99 copper sulfate pentahydrate 25 1 copper as metallic a compound used for years as an algaecide. All copper compounds can be toxic to fish if used above labeled rates and can be toxic in soft or acidic waters even at label rates. Effective against all forms of algae including.

Copper sulfate has been used for control of algae for many years and to a limited extent in more recent years for the control of rooted aquatic weeds. The best ways to clear algae duckweed floating weeds and submerged weeds in lakes and ponds. Copper is fantastic for algae but does very little for 95 of any variety of pond weed. He woke up with his pond covered in algae and aquatic weeds and needed to take care of it.

Before using copper it is best to test the pond water s alkalinity and adjust copper treatments to alkalinity concentrations. Filamentous planktonic and branched algae. The many factors that must be considered for the successful and practical use of copper sulfate are discussed in this. Aquatic herbicides like copper sulfate and imazapyr have been found to be effective against floating.

Grass carp are invasive in most areas so it s important that they don t spawn. Unless weed control is practiced. Aquatic weeds in ponds or lakes can be controlled by physical removal biological control or herbicides. We recommend using a broadcast spreader when applying copper sulfate to your pond or lake.

James is a private pond owner. For additional information on using copper sulfate see the srac 410 calculating. He owns a 2 acre pond in his backyard. Crystal form is most effective on bottom mats while the fine crystal may be easily spread or dissolved in water.

We shared with him that it was an excellent way to kill many different strains of algae.