Top 7 Best Backpack Sprayers For Gardeners – Buying Guide

The best backpack sprayer helps gardeners spray down the plants efficiently and quickly. It mounts to your back, and everything you need to do is to walk around and spray fertilizers, pesticides, and weed killers to keep your gardens free from insects and weeds.

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Field King 190328 Backpack Sprayer, 4 Gallon,
4,511 Reviews
Field King 190328 Backpack Sprayer, 4 Gallon,
  • Internal No Leak Pump design is safer to use chemicals will...
  • Durable, 21 inch poly wand with the highest quality Viton...
  • Premium, lockable shut off with brass components and an...

To help you choose the most suitable product, we have compiled a list of the top 7 sprayers for your consideration. Of which, the Field King 190328 Backpack Sprayer is our winner for its excellent performance in continuous spray, design, capacity, and comfort.

This sprayer also provides various nozzle options, including four interchangeable nozzles to help you spray in different conditions. In addition, its lock-in function can eliminate fatigue to allow you to spray and point without pressure in your hands.

Top 7 Backpack Sprayer In-Depth Reviews

Field King 190328 Backpack Sprayer – Best Overall

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Field King 190328 Backpack Sprayer, 4 Gallon,
4,511 Reviews
Field King 190328 Backpack Sprayer, 4 Gallon,
  • Internal No Leak Pump design is safer to use chemicals will...
  • Durable, 21 inch poly wand with the highest quality Viton...
  • Premium, lockable shut off with brass components and an...

We start our list with the Professional 190328 from Field King for its best overall performance. The Field King sprayer provides garden growers with many features that you’ll struggle to find in other models out there.

The unit stands out with a no-leak pump to ensure consistent pressure. Accordingly, you can get efficient and fast spraying for your crops or vegetable gardens.

This functionality can protect your skin from harmful chemicals during operation as well. In addition, the sprayer’s pump comes with a process through a built-in agitator to deter any settling in its holding tank.

What also impressed us is the wide variety of options with the nozzles that this quality backpack sprayer offers. Mainly, you will get four interchangeable nozzles equipped with this sprayer.

Plus, this suggestion can deliver a pressure of up to 150 PSI to cover any garden size or area with droplet size and a decent spray pattern.

The lock-in mechanism on its shut-off assembly lowers operation fatigue, letting you spray and point without causing pressure in your hands.

Moreover, the Field King boasts a dual-use pumping handle for both-handed operation so that you can flexibly change the hand to hold it when needed.

Luckily, with a lot going for this sprayer, it comes at an affordable price. That said, we found that it lacks comfortability, and there is no lumbar support included on the harness.

What We Like

  • No-leak pump design
  • Various nozzles
  • Powerful spray with 150 PSI pressure
  • Lock-in mechanism
  • Dual-use pumping handle for both handed control
  • Affordable

What Can Be Improved?

  • No lumbar support

CHAPIN 61500 Backpack Sprayer – Best For Budget

CHAPIN 61500 Backpack Sprayer for Fertilizer, 4 gal
2,950 Reviews
CHAPIN 61500 Backpack Sprayer for Fertilizer, 4 gal
  • 4-Gallon 4-inch wide mouth opening, translucent tank for...
  • Compatible with common fertilizers, weed killers and...
  • 2-Stage filtration system, one filter at the top and another...

If you are a gardener working on a tight budget and seeking the best value in an affordable sprayer, consider Chapin 61500.

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It is a manual version of the Chapin 63985 with an internal piston pump for priming its pressure chamber. However, you can notice its price is less than half that of the Chapin 63985’s, making it a more budget-friendly option.

Of course, you will not get many benefits as you would with the 63985’s electronic components, yet you are better off saving money by going for this best commercial backpack sprayer instead.

The 61500 features a padded harness and shoulder straps with lumbar support. As a result, the Chapin backpack sprayer can provide a comfortable experience when you spray your garden.

There is a poly shut-off valve mechanism with two nozzles, including a poly adjustable cone spray and poly fan.

Remarkably, the poly spray nozzle can adjust from a coarse stream to a fine mist in seconds. Plus, this piston sprayer comes with a bonus foaming sprayer nozzle for proper spraying of chemicals.

The 4-gallon backpack sprayer is compatible with various common fertilizers, weed killers, and pesticides. You will find the filter easy to install as it is right under the 4-inch wide mouth opening.

Moreover, this garden tool can block debris and dirt from getting into your sprayer. You can provide constant pressure spraying for your crops and gardens for a good while with its four-gallon tank and a two-stage filtration system.

On the downside, those with big hands might find it hard to reach inside the sprayer’s tank for cleanup. As cleaning the tank after use is crucial for maintaining your sprayer, this design issue might be a deal-breaker for you.

What We Like

  • Affordable price
  • A padded harness and shoulder comfortable straps
  • Lumbar support
  • Extra nozzles for proper spraying
  • 4-gallon tank with a two-stage filtration system
  • Compatible with various commonly used chemicals

What Can Be Improved?

  • Hard to clean the tank

Roundup 190314 Backpack Sprayer – Best For Convenience

Roundup 190314 Backpack Sprayer for Fertilizers, Herbicides,...
1,497 Reviews
Roundup 190314 Backpack Sprayer for Fertilizers, Herbicides,...
  • 4-Gallon sprayer meets all your spraying needs (controlling...
  • Heavy-duty poly wand with shut-off featuring a comfort grip,...
  • Viton seals and gaskets throughout the pump and shut-off for...

This rounded four-gallon sprayer is designed for optimal convenience with a big pump that can speed up the time it takes to spray and pressurize its contents.

What also contributes to its convenience is the hose system’s integrated in-line filter to prevent blockages. Meanwhile, the spraying wand is made of corrosion-proof materials, ensuring a long lifespan even if exposed to heavy-duty chemical solutions regularly.

The Roundup sprayer tank is reasonably lightweight, so you can find it easy to wear on your back. It also utilizes adjustable straps to keep it attached to your back.

You will not worry about the risk of pulling and slipping you over if you unexpectedly lose your footing. There is also excellent lumbar support directly included in the design of the tank.

Thus, you can stay comfortable when wearing this sprayer for long spraying sessions. For extra convenience, the handle is reversed to work with right-handed and left-handed users.

Nevertheless, one point that undermines this sprayer’s performance is the lack of pressure gauges.

What We Like

  • Big pump to speed up the spraying time
  • Excellent lumbar support
  • Reversed pump handle for both hand use
  • Integrated in-tank filter to prevent clogging
  • Corrosion-proof spraying wand

What Can Be Improved?

  • No pressure gauges

KIMO 3 Gallon Garden Sprayer – Best Battery-Powered Sprayer

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Battery Powered Backpack Sprayer, KIMO 3 Gallon Garden...
836 Reviews
Battery Powered Backpack Sprayer, KIMO 3 Gallon Garden...
  • 🌱【No Manual Pumping Required】 For the perfect union...
  • 🌱【A Real Lifesaver for Those with Physical...
  • 🌱【A Beast for All Spraying Needs】Comed with a Metal...

We continue our list with the best battery-operated sprayer – KIMO 3-Gallon Garden Sprayer. This suggestion stands out from other products for its zero pumping mechanism as a battery runs it.

You will get a more effective spraying way than the manual pumps. However, it’s tough enough for either professionals or homeowners for daily use.

Plus, with adjustable padded straps, the electric backpack sprayer can ensure optimal comfort when you work. You will also love its leak-resistant design that prevents harsh chemicals from dripping down your back.

And to provide ultimate versatility, the manufacturer offers multiple adjustable nozzles, including a plastic cone jet nozzle, adjustable brass nozzle, and shower nozzle to meet your needs when working with different types of vegetables and plants.

You can use this backpack sprayer for fertilizing, misting, or apply micronutrient liquids to manage flowers, orchards, gardens, and nurseries.

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With a durable 6-hour battery and 3-gallon tank, you can cover up to 3000 square feet of garden space.

The KIMO battery backpack sprayer features an ergonomic handle with a lockable switch for retaining continuous spraying. This functionality also facilitates long-time spraying operation while reducing fatigue for users.

Better still, its dual 40 PSI & 70 PSI of pressure mechanism lets you apply the sprayer to various spraying applications. In addition, there is a button on the side, so you can conveniently change the PSI with just a press.

However, as we mentioned in the buying guide part, the battery-powered sprayers will cost you more than manual models. So you can spend a small fortune buying this KIMO backpack sprayer.

What We Like

  • Battery-powered with zero pumping mechanism
  • Adjustable padded straps for optimal comfort
  • Multiple nozzles
  • 6-hour battery and 3-gallon tank
  • Dual 40 PSI & 70 PSI mechanism

What Can Be Improved?

  • Slightly expensive

PetraTools 4 Gallon Battery Powered Backpack Sprayer – Best For Capacity

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PetraTools 4 Gallon Battery Powered Backpack Sprayer –...
1,130 Reviews
PetraTools 4 Gallon Battery Powered Backpack Sprayer –...
  • Never pump again: Sprays For 6-8 hours on a single battery...
  • PetraTools HD4000 #1 Customer Support: PetraTools wants to...
  • New PetraTools Heavy Duty wand included: Meet all your...

The PetraTools Battery Powered Backpack Sprayer comes with a 4-gallon capacity along with an up to an 8-hour powerful battery. Thus, you can spray all day with only a single charge.

The 4-gallon sprayer features an 8AH lead-acid battery to provide four times the lifespan of most 2.0 lithium battery sprayers. Plus, you can know how much the content is left in the tank, thanks to its translucent material.

You will also find it easy to fill the tank with a screen filter to keep debris and dirt away, thanks to a wide-mouth lid.

Notably, we are impressed with its six PetraFlow nozzles, including showerhead nozzle, double head mist nozzle, single head mist nozzle, and 2-in-1 mist to stream by twist nozzle, meeting a wide range of spraying conditions.

You can effortlessly adjust the pressure of between 40 and 70 PSI with a simple turn, thanks to its adjustable pressure mechanism.

This backpack weed sprayer also features a PetraFlex durable 4-foot hose to handle various chemicals from bleaches to ULV500 without any hassle.

And you will not need not to worry about hand cramping from squeezing any longer due to its anti-fatigue trigger lock to help lock the handle in spraying mode.

That said, this sprayer is on the heavier side, so it can strain your shoulder if you work for a long time.

What We Like

  • 8AH lead-acid battery for longer use
  • 4-gallon tank
  • PetraFlex durable 4-foot hose to handle various chemicals
  • Six PetraFlow nozzles
  • Anti-fatigue trigger lock

What Can Be Improved?

  • Slightly heavy

Rainmaker Backpack Sprayer – Runner-up For Capacity

Rainmaker Backpack Sprayer - 4 Gallon
494 Reviews
Rainmaker Backpack Sprayer - 4 Gallon
  • This sprayer has an integrated filter included and a 4 ft....
  • All purpose sprayer ideal for herbicides, pesticides, liquid...
  • Trigger with a lock-on option can be engaged for a...

The next spot belongs to the Rainmaker Backpack Sprayer. We cannot forget to mention this product on our list to deal with large jobs.

It is thanks to a 4-gallon tank capacity and a lock-on trigger for continuous spraying.

This suggestion also stands out for its four interchangeable nozzles – conical stream spray nozzle, 4-hole adjustable spray nozzle, 30-degree double spray nozzle, and fan-style spray nozzle for various applications.

There are also padded shoulder straps for extra comfort for users, a built-in filter, and a 4-foot hose for effortless spraying. The sprayer is almost wholly assembled at launch so that you will not find any difficulty in installing it.

Besides, after every use, you can easily clean the tank thanks to its ergonomic design. That said, this pump backpack sprayer is heavy when it is complete, causing it hard to get onto your back.

What We Like

  • 4-gallon tank capacity
  • Lock-on trigger for continuous spraying
  • Four interchangeable nozzles
  • Almost assembled at the launch
  • Easy-to-clean tank

What Can Be Improved?

  • Heavy to put on the back

PetraTools 1 Gallon Battery Sprayer – Best For Ease Of Carrying

PetraTools 1 Gallon Battery Sprayer - Ultra Convenient...
310 Reviews
PetraTools 1 Gallon Battery Sprayer - Ultra Convenient...
  • THE 1 GALLON SPRAYER YOU'VE BEEN LOOKING FOR: Are you stuck...
  • HOURS & HOURS OF SPRAYING: The super strong battery included...
  • THE FEATURES YOU WANT IN A SPRAYER: In addition to the...

Our last pick is the PetraTools 1 for its ease of carrying when spraying. It boasts a sling style, giving you fast spraying.

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There are also extra padded shoulder straps for optimal comfort when using the sprayer. It won’t cause you any pain even when you use it for hours.

It also stands out for long-distance spraying as it comes with expandable spray wands. Thus, you can spray solutions to hard-to-reach areas.

Moreover, you can prevent a liquid mess with this cordless battery sprayer. You also get a large tank opening for easy pouring in the solution.

We also like its translucent tank for easy monitoring of liquid. However, this sprayer is only suitable for small gardens as it only comes with a 2-gallon tank capacity. If you want to cover large spaces, you will need to fill the tank frequently.

What We Like

  • Ease of carrying
  • Large tank opening
  • Extra padded shoulder straps
  • Translucent tank for easy liquid monitoring

What Can Be Improved?

  • Small tank

Best Backpack Sprayer For Gardeners Buying Guide

What Are Types Of Backpack Sprayers?

Diaphragm

The diaphragm sprayer is more durable and easier to use than a piston model, yet it does not produce much pressure. Instead, this pump functions by an up-and-down pumping motion by a built-in diaphragm inside chemical tanks.

They are efficient and constructed out of materials to withstand acidic chemical solutions.

Piston

On the other hand, the piston pump typically generates higher pressure. However, it’s a sensitive mechanism, so you should use it with non-abrasive chemical solutions.

Piston models create a more steady flow rate. That said, they are more bulky and expensive than diaphragm pump sprayers. They also require more maintenance.

There are two garden sprayer types when it comes to how the liquid is pumped out from the chamber to the nozzle:

Battery Powered

Battery-powered backpack sprayers come in various sizes, styles, and materials to suit different functions or capacities. They are significantly popular for golf courses, lawn care companies, homeowners, and pest control services.

We highly recommend buying the best battery-powered backpack sprayers you can afford for various reasons.

This option lowers the demand for hand pumping, keeping you from getting tired. But, more importantly, the battery-powered model can put out an endless amount of solutions to ensure even applications.

You do not have to worry about PSI (Pounds Per Square Inch) or how much product is put out. So if the PSI varies, you can have a non-continuous application.

Battery-powered models have become more affordable these years. In addition, with the battery technology advancement, they have become incredibly lighter and can last longer.

Producers have developed battery-operated sprayers from scratches instead of converting manual backpack sprayers. The latest models feature better-designed pumps and improved microprocessor control technology.

Microprocessors can now monitor the sprayer’s battery to tell when the charging level is getting low and automatically shut down this unit.

Manual Sprayers

Various professional turf management companies still use this sprayer as it is more affordable and demands less maintenance than a battery-powered sprayer.

These sprayers last all day, making them ideal for professional settings where you cannot recharge a battery. Additionally, manual sprayers can be more durable as they do not have any electronics.

How To Choose The Best Backpack Sprayer

Garden Size And Storage

While you can use any type of sprayer in your garden, the size limits can speed up or slow down the gardening task you are doing.

A backpack sprayer with a small tank or short battery life can struggle with wide-open spaces, while an oversized model can be more challenging to use in a modest garden with a lot of architecture.

Choosing an appropriate size can provide a much better experience. However, remember the storage is essential as well.

If you end up puncturing the tank or hose, you will need to have it fixed, and improper storage can be one of the leading causes of this mishap. If your house does not have vast storage space, it is advisable to buy a more compact model.

Purpose

Not every backpack sprayer is set up to do everything. However, some can provide specific chemical solutions like pesticides, fertilizer to the plants, or spraying in small or big areas.

Keep in mind which type of tool you want to buy before making the final decision, as you might end up damaging a sprayer if you utilize it in an unintended method.

Comfort

Ensure the waist belt and shoulder straps coming with the backpack sprayer are well padded and can comfortably accommodate the tank’s weight. If the conventional straps aren’t adequate, check if the producer provides an upgraded version.

Backpack sprayers are great for lawn care and other uses.  In this video, this guy shows on battery powered backpack and one pump backpack sprayer:

Final Thoughts

We have finished our best backpack sprayer reviews, along with a complete buying guide. In short, these suggestions can help you efficiently spray essential chemicals to deter unexpected insect infestation and weeds.

Of which, we highly appreciate the Field King 190328 Backpack Sprayer for its no-leak pump design, lock-in mechanism, and affordable price.

We hope this article is helpful for you. Thank you for reading.

Last update on 2021-10-13 / Affiliate links / Images from Amazon Product Advertising API

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Jill Sandy

I am a sustainable focus gardener. I love decorating my home backyard with beautiful landscape design and creative garden care techniques I develop myself.