Caring for vegetable crops includes timely watering. It's important that vegetables, herbs, and flowers receive regular moisture for healthy growth and development.
Evenly distributed streams of water moisten the soil most effectively. This can be achieved by spraying with special equipment. Before making your own garden sprayer, familiarize yourself with how such devices work.
What is a garden sprayer?
A garden sprayer is a device that evenly distributes sprayed liquid over a radius of up to 5-10 meters. This unit can be used for watering, fertilizing, and treating plants.
A garden sprayer operates on the principles of physics—the difference in pressure between the sealed working tanks and atmospheric pressure. The tank is filled with irrigation water, fertilizer solutions, and mixtures containing pesticides and pesticides.
Spraying devices are classified by the type of treatment:
- automatic;
- semi-automatic;
- manual;
- pump-action.
You can make your own garden sprayer, similar to the factory-made Stanley device manufactured abroad or the domestically assembled Beetle unit.
How to use a garden sprayer
The operating mechanism of garden sprayers is based on the following actions:
- the working solution is supplied through a hose under high pressure;
- liquid enters the telescopic cavity of the nozzles;
- under the pressure of the jet, due to the opening of the valve, they rush to the holes of the sprayer;
- Due to the pressure and small holes in the nozzle, the flow is distributed into many small ones.
Depending on the pressure force, the size of the holes in the sprayer and the angle of the position, the supplied liquid is sprayed in jets, a cloud or a fan-shaped watering.
The pressure in the system is created due to:
- air supplied by a diaphragm pump powered by the engine;
- piston force, which is created by the diaphragm pumping device and the flexible plate located inside it;
- from the operation of a backpack pump powered by a battery.
You can implement any of the above methods into the device.
Applications of garden sprayers:
With the help of spraying devices it is possible to carry out a variety of tasks:
- watering vegetables, ornamental crops, fruit and berry plants, greenery, lawns, lawns;
- treatment of green spaces, wood, and other materials against pests;
- washing windows, cars, outbuildings, sidewalks, playgrounds;
- painting surfaces with aqueous dispersion solutions;
- uniform distribution of fertilizing compounds into the planting soil.
You can build your own garden sprinkler so that it can spray water to irrigate your crops while you're away. This will eliminate the need to be present at your property during dry periods. The system automatically adjusts based on soil moisture levels.
How to make a garden sprayer yourself
The simplest design that can be assembled by hand is a backpack garden sprayer. The device is manually adjustable and is a versatile option for gardening. The unit operates by delivering liquid under pressure, generated by a control lever on a pump.
Water or working solution is forced into the hose under pressure. From the hose, the liquid is forced into a chamber, from which it exits into the installed spray nozzles. Pressure in the pump is created by forcing air, which displaces the liquid. This pressure is generated manually by operating the pump.
Working units of a homemade sprayer:
- tank for filling with water or working solution;
- valve for reducing the pressure level in the filling tank;
- filter element for solution;
- nozzle with attachments for supplying working fluid to the outside;
- manual pump adjustment lever;
- centrifugal pumping device;
- piston mechanism control handle;
- hoses;
- fasteners.
It is also necessary to prepare the gasket material between the fastening parts and units to create a tight seal for the system.
Assembly instructions for a garden sprayer powered by electricity
A crucial component of a homemade spraying system is the pump. You can use any centrifugal pump, such as the Vodoley household unit. This device delivers up to 20 liters of water per minute and is capable of generating a working pressure of up to 2 atmospheres. These characteristics are sufficient for a standard garden plot. In one hour, you can water or treat a plot with a solution volume of 360 liters.
Assemble the spraying system yourself in the following sequence:
- Install a hose at least 50 cm long onto the outlet of the pump;
- Attach a tee to the end of the hose, like the kind used for connecting washing machines. The fitting should be equipped with a valve that acts as a pressure regulator in the system and a drain arm;
- secure the ends of the hoses with clamps;
- install a reservoir with working fluid on the site;
- immerse the pump in the tank;
- move the hose with the tee out of the tank;
- install hose branches of the required length from the tee;
- In high traffic areas, protect hoses and wires with channels;
- Install nozzles with sprayers and manual adjustment taps at the ends of the working hoses;
- turn on the power supply and the pump;
- activate the liquid supply valve to the hose system;
- Open the trigger on the desired sprayer.
The assembled system is manually operated. You can water the area in segments by installing hose assemblies throughout the entire area. This type of pump will not be powerful enough to spray liquid over several square meters simultaneously. For larger areas or for watering several areas at once, install more powerful pump units into the system.
Assembling a battery-powered mobile sprayer
To build your own battery-powered spray system, you'll need:
- a tank for filling with water or working solution with a valve for releasing excess pressure;
- automobile pumping device;
- a valve for car tires equipped with a double-sided rubber gasket;
- 12V car battery;
- a pressure gauge for measuring the pressure in a sealed tank with a working solution;
- copper wires with insulation;
- knife-type terminals and clamps for connecting the pump to the battery.
To periodically recharge the battery, purchase a charger.
To assemble the spray system, gather all necessary components within easy reach. Make a hole in the tank wall to accommodate the automotive valve stem and insert it, ensuring a tight fit. Install a pressure gauge to read the pressure inside the tank.
Healthy!
Fill the tank with fluid and connect the pump hose to the nipple. Connect the battery terminals with the correct polarity to power the car pump. Attach the hose with the nozzles to the pump to deliver the solution to the work area. Secure the pump and battery near the tank. Apply the fluid until the pressure gauge reaches 3 atm.
You can build a stationary spraying system with a large tank or assemble a mobile sprayer. For a compact device, use a tank with a capacity of up to 10 liters, which can be strapped to your back. The battery and pump can be attached to the side of the tank or placed in a bag with a belt. With a homemade sprayer with a pump, powered by a battery, you can spray 10 liters of working fluid.
Building a sprayer from a plastic bottle and a bicycle pump
Assemble a simple spray system using a bicycle pump, a hose, and a plastic bottle. To assemble, gather the following:
- hand pump for bicycle;
- spray;
- plastic bottle;
- bicycle tire valve;
- hose.
Make a hole in the plastic bottle for the nipple and install it tightly into the wall. Secure the rubber seal around it with glue. Screw the pump hose into the nipple. Attach the sprayer to the neck of the bottle. Secure the bicycle pump to the plastic container in the closed position. To activate the system, pressurize the bottle with the bicycle pump. Point the pump toward the work area and open the sprayer valve.
Effective watering and uniform spraying by distributing the liquid across the work area will reduce the time and effort involved in gardening. Assemble a simple device with a sprayer to fertilize plants or treat diseases and pests.

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