Insect sprayer

Insect sprayer DEFAULT

What Are Pump Sprayers?

“Pump sprayer” is a generic term for small sprayers, usually less than 10-20 gallons in size that can be pressurized by hand pumping or with the aid of a battery-operated pump.

Anything larger than 20 gallons is typically referred to as a tank sprayer.

Pump sprayers are used to spray pesticides around the foundation of a house, across a yard, along the rows in a garden, or up in trees. They are also used to spray herbicide to kill selected weeds.

Finally, they are used to spray fertilizer to nourish lawns, gardens, and flower beds.

A pump sprayer consists of a tank where the chemical is mixed with water to achieve the proper dilution before spraying.

They include a handle or piston for pressuring the tank. There is also a hose connecting the tank to a spray wand with a nozzle on it.

Normally the nozzle can be adjusted to deliver a wide fan of spray, either coarse or fine or somewhere in between. Most nozzles can also be adjusted to deliver a pin stream to difficult-to-reach places or heights.

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How Do Pump Sprayers Work?

Pump sprayers work by pressurizing the liquid contents, then releasing them through a hose connected to a wand which is terminated with an adjustable nozzle. The wand usually has a squeeze handle or trigger mechanism that releases the pressurized liquid.

As liquid is dispensed, the pressure inside the tank drops, requiring constant pumping to maintain a steady pressure.

High pressure is required for creating a fine mist, whereas low pressure is better for creating coarse droplets.

The materials the sprayer is constructed from will dictate how much pressure it can hold and how long the sprayer will last before it breaks down.

Plastic will never last as long as steel but backpack sprayers usually sacrifice longevity to save on weight.


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Are Pump Sprayer Effective For Spraying Pests?

Absolutely. Thousands of pest control professionals around the world earn their living using pump sprayers everyday.

Lawn and garden services use them extensively as well. Pump sprayers are some of the most effective equipment available today.

Retaining that effectiveness though, requires regular maintenance. Gaskets and seals need to be inspected and/or replaced regularly.

Many chemicals are harsh and abrasive and will eat away at the hose, wand, and nozzle. You need to keep a close eye on them. Run clean water through the tank and hose on a regular basis to minimize abrasion.

Dust and grit in the moving parts, particularly the pump handle, will reduce the effectiveness of the sprayer. Regular cleaning of the filters is also required to prevent clogs and maintain the effectiveness of your sprayer.

How To Use a Pump Sprayer

Fill the tank about halfway with water. Put in the required amount of chemical according to the instructions on the label.

Swirl the water around a few times then finish filling the tank with water. Close the tank and agitate vigorously for 2-3 minutes.

That means shake the sprayer until your arms get tired.

Pump up the pressure in the sprayer. If it’s a backpack, put it on first, then pressurize the tank. Hold the tip of the wand 18-24 inches from the target and press the trigger.

Move the nozzle side-to-side in a smooth motion, at about three feet per second.

The actual speed and distance will vary based on what you’re spraying, but this is a good rule of thumb for most uses.

Maintain the pressure as consistently as possible. Some backpack sprayers, like our top pick, have pressure gauges on the handle for quick reference. Most 1-gallon sprayers don’t have a gauge so you’ll have to go by the way it feels.

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Are Pump Sprayers Safe Around My Pets and Children?

The pump sprayers themselves aren’t dangerous per sé, it’s the chemicals in them that are dangerous. When you’re spraying, it’s a good idea to keep children and pets away from the area regardless of what chemicals you’re using.

After each use, empty the sprayer and rinse it out three times, running some of the progressively cleaner water through the hose and nozzle each time.

After the third rinse, release the pressure in the tank and leave it half full of water.

How Do You Find the Best Pump Sprayer?

The first thing to look for is a metal wand. Plastic wands wear out, not only from the chemicals inside but from the UV rays of the sun as well.

Plastic has improved over the years and many sprayers use it for the wand, but metal is always preferable.

A good pump sprayer should also be able to hold a minimum of 30-40 PSI, but 40 and over is best. 40-50 PSI is ideal outside.

If you hear a hissing sound after pressurizing the tank, it means it’s not holding the pressure, which brings us to the seals.

Good Viton seals are needed to maintain pressure and to prevent leaks. No one wants to have pesticide running down their back or drip herbicide in all the wrong places so you wind up with brown spots on the lawn.

Finally, a good pump sprayer should have adjustable nozzles capable of delivering a variety of sprays, in a flat fan, a cone, or flood.

Best Pump Sprayers Reviewed

This is a professional-grade backpack sprayer from Chapin, one of the best known manufacturers in the pump sprayer industry.

We particularly like the stainless steel wand over the plastic ones on other backpacks.

It can be setup for left-handed or right-handed use, the padded straps and belt ensure it’s as comfortable as possible when the backpack is full.

The 3-stage filtration system means fewer clogs, which translates into a better spray fan.

The wide mouth makes filling and mixing easy. It holds 40-60 PSI so you can spray 23 feet horizontally and 25 feet vertically.

The adjustable brass nozzle can spray anything from a wide fan to a pin stream. Four gallons can be a little heavy so be aware of that.

  • 40-60 PSI
  • 48-inch PVC hose
  • Adjustable brass nozzle
  • Padded shoulder straps and belt
  • Wide mouth for filling and mixing
  • Over 20 feet horizontal and vertical spraying
  • Four gallons of water is heavy
  • Outdoor use only

The general public doesn’t know it, but for inside or outside use, B&G is the pump up sprayer of choice for pest control professionals around the world.

This stainless steel can with brass piston pump and wand is practically indestructible.

It has Viton seals and gaskets, and a heavy-duty rubberized hose. The brass nozzle is a 4-Way Multeejet with settings for a fine fan, coarse fan, pin stream and C&C.

It can easily hold 50 PSI without dripping or leaking. The wand contains a washable filter.

This stainless steel sprayer is expensive but it will last for 20-30 years with regular maintenance. Individual parts can be reordered to extend the lifespan even further.

  • The choice of pest control professionals
  • Viton seals and gaskets
  • Brass piston pump
  • Brass wand
  • Brass nozzle with four settings
  • Easy to use and maintain

You don’t always need to spray a whole gallon of pesticide, fertilizer, or cleaning fluid. Sometimes a single liter (1.056 quarts) or less is all you need.

This one-hand sprayer from Solo is the answer for taking care of small jobs around the house.

It has Viton gaskets and O-rings to withstand harsh chemicals and pesticides.

The ergonomic grip and light weight makes it easy to use, while the trigger lock eliminates the need to constantly hold the trigger down. This reduces hand fatigue.

It has drip and drift guards around the nozzle to prevent off-target spraying or excess dripping on the floors. The only complaint is that it has a short, usable lifespan.

  • Viton gaskets and seals
  • Easy to use
  • Ergonomic grip
  • Trigger lock eliminates hand fatigue
  • Drip and drift guards around the nozzle
  • Doesn’t last more than a few months

This battery-powered backpack runs on an 18-volt Lithium-Ion battery that will last for four hours of spraying on a single charge – about 50 gallons of liquid.

The padded shoulder straps and back help distribute the weight evenly when you’re wearing it.

The included charger recharges the battery in about 3.5 hours and the sprayer comes pre-set at a spraying pressure of 40 PSI.

Viton seals and gaskets keep harsh chemicals from spilling or leaking and the brass nozzle can be adjusted from a fine spray to a pin stream.

It has a triple filtration system to minimize clogs. When you want continuous spraying in the yard without constant pumping, this is the backpack for you.

The trade-off is the extra weight of the battery pack and motor, so be prepared for that.

  • Excellent for spraying large areas
  • 40 PSI
  • Viton gaskets and seals
  • Triple filtration system
  • Adjustable brass nozzle
  • Three extra plastic nozzles for versatility
  • Heavy when it’s filled
  • Can’t be used while the battery is recharging

When you need to spray a large yard or garden, refilling a backpack sprayer slows you down.

This 9-gallon, rechargeable cart sprayer uses a 12-volt battery to let you spray for up to two hours at a time. Viton seals and gaskets resist harsh chemicals and pesticides.

There are two spray nozzles; a front mounted sprayer that sprays as you roll it and a handgun nozzle on a long hose. You can pull or push this sprayer or attach it to an ATV or tractor with the included hitch.

It has heavy-duty 12-inch wheels and can be used in the winter for deicing sidewalks as well as spraying gardens and fields.

The shipping weight is 40 pounds and some assembly is required when it arrives. The assembly instructions aren’t always clear.

  • Front mounted spray nozzle
  • Metal spray wand
  • Viton seals and gaskets
  • Can be used in winter for deicing
  • Tractor/ATV hitch included
  • Battery charger included
  • Assembly required
  • Assembly instructions aren’t always clear

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Our Top Pick: Chapin 4-Gallon Commercial Backpack Sprayer

  • Stainless steel wand
  • Chapin is based in the USA
  • Professional backpack sprayer

This professional-grade backpack sprayer has a stainless steel wand, padded shoulder straps and belt to ensure maximum comfort, a 3-stage filtration system in the tank, a wide mouth for filling and mixing, and up to 60 PSI for long-distance spraying.

It comes with an adjustable brass nozzle that can spray anything from a wide fan to a pin stream. For outdoor spraying, this is the best of the best.

Final Thoughts On Pump Sprayers

For outside jobs – killing bugs, spraying fertilizer, or killing weeds – the Chapin 4-Gallon Commercial Backpack Sprayer is one of the best money can buy. It’s used by pest control professionals everyday and you’ll enjoy it too.

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ShopeeHome & LivingHousekeepingCleaning ToolsPowder Dispenser Duster Sprayer Durable Insecticide Pest Control Pesticide
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ShopeeHome & LivingHousekeepingCleaning Tools
Description: 100% brand new and high quality. Made from silicone and copper , it can sprayer dry powder long brass lance can reach more places to kill the termite, bugs or pests. It has a good performance to spray and dispense diatomaceous earth as well. Easy-to-Use, just put the pesticide powder inside the bulb and squeeze. Kill the pest, bugs, ants and termite in a functional way. Suitable for dispensing Diatomaceous Earth and Some Other Pest Control Powder.   Specification: Type: Duster Sprayer Color: green, white, blue, orange Material: silicone, copper Size: 30*5.5cm(L*W)   Package Included: 1 x Duster Sprayer Note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow 1-3cm differences due to manual measurement. #Duster #Sprayer #Powder #dispenser #Pesticide #with #Longer #Lance #Pest #Control #termite #Killer #silicone #Insecticide
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How to use adjustable nozzles when spraying chemicals

Adjustable nozzles let you change the pesticide spray pattern to accommodate the treatment area and the type of chemical in use. In some cases, a direct stream of chemical is most effective if the target is small. For example, a direct stream works well if you are targeting a specific weed surrounded by desirable plants. You want the herbicide to only come into contact with the undesirable plant to avoid damaging the desirable plants. A broad spray pattern on the other hand is effective for applying insecticide to the exterior walls of a home where you typically want to cover a large area quickly. Proper spray control is the most environmentally safe way to treat against pests

How sprayer wands make pest control safer

Sprayer wands are an important piece of equipment because they keep the chemical farther away from your body while spraying and allow you to reach areas beyond your arm's length. A home's foundation or weeds surrounding the outer perimeter of a flower bed are examples of a places that a sprayer wand can help you reach.

Safety Tip: When possible, avoid spraying chemicals overhead. While sprayer wands allow you to reach higher areas, often times the chemical will fall back on you in the process. Always wear safety goggles, a respirator, gloves, and long sleeve clothing when spraying in areas where chemical exposure is possible. Avoid skin and eye contact with all types of herbicides and insecticides.

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