Small Spray Guns for Home Courtyard Weeding
What are these people doing? Why are they spraying foam on the grass? Are they being idle? In fact, this is a special way of weeding called foam weeding. As the name suggests, it uses foam to achieve the purpose of weeding. Of course, it doesn't rely on any toxicity but high temperature. The foam sprayed from the nozzle has a temperature as high as 90 degrees Celsius. And foam has the function of heat preservation and insulation. It can effectively prevent heat loss and form a high-temperature environment for the lawn. When this foam comes into contact with weeds, the heat will be conducted to the root through the sap and kill the weeds fundamentally. In about 2 to 3 days, the green weeds will wither completely. The main components of foam are vegetable oil, sugar and hot water. There are no chemical agents at all. It is pure natural and pollution-free. There is no need to worry about pesticide residues later.
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