Grocery Stores use misters because there is "no way to adsorb water from the ground," preventing fruits and veggies from wilting. Although certain produce does not need to be sprayed, other vegetables, such as lettuce, need to be sprayed in-order to not dry out and promote higher shelf-life.
Additionally, the water that is used goes through a filtration process and is treated with chlorine to kill bacteria present in the water. Therefore, grocery stores do not use toxic pesticides.
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