Examples of the portable hand sprayer

　　The instructions on the label say that this product is added to 1 teaspoon per 200 square feet of 1.6 to 3.2 pints of water. You plan to treat a small area of ​​yellow, nutritious turfgrass. You measure the problem area and determine that it is 14 x 14 feet or 196 square feet. Then, you measure the width of the spray pattern on the driveway and determine that it is 18 inches or 1.5 feet. All this means you will need to spray 9 slightly overlapping strips to treat the area.

　　Portable hand sprayer: These canister sprayers are connected to garden hoses to deliver spray mixtures that are pressurized under the action of tap water. There are many variants of the Portable hand sprayer:

　　Some are pre-installed with products delivered at a fixed dilution rate. The advantage of this sprayer is that you don't need to mix, measure or calibrate the product because the bottle is already correctly calibrated for the product in it. The disadvantage is that the pre-filled sprayer can only be used with the product and cannot be reused.

　　Another variation of the Portable hand sprayer is that it is not ready for use. There is no dial for calibration of this type. These require you to measure and premix the concentrate. This type of sprayer can be confusing because it is a guess to know how much product has actually been delivered to the target location. The cans on this sprayer will have different capacities. Usually, the gallon increment is marked on the side of the jar. The label will list how much product to add per gallon of water. Put the appropriate amount of concentrate into a jar, and then add water according to the instructions to dilute the product to an appropriate concentration.

　　Another type of Portable hand sprayer has a dial for calibration. Set the turntable to apply the product at the rate recommended on the label. Like compression sprayers, they can be coarse sprayed and can be used for many of the same types of applications. The advantage of this hose-end sprayer is that the direction is simple and clear.

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