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The Best Backpack Sprayers 2019: the Most Complete Buyer’s Guide

Борьба с вредителями и сорняками является неотъемлемой частью садоводства. Если ваш сад состоит только из двух маленьких клумб, вам не о чем беспокоиться. Но если вам приходится обрабатывать фруктовые деревья или огороды, вам следует подумать о покупке садового опрыскивателя для рюкзаков, чтобы сделать ваши сезонные работы более безопасными, эффективными и удобными.

Table of Contents:

What is a Backpack Sprayer and How Is It Used?
Critical Backpack Sprayer Parts & Components
The Best Backpack Sprayers 2018: a Comparative Chart
Things to Consider When Buying a Backpack Sprayer
How We Decided
The Best Backpack Sprayers 2018: Our Choice
1. FlowZone Shower 4-Gallon Multi-Use Continuous-Pressure Backpack & Rolling Lithium-Ion Sprayer
2. Solo 425 4-Gallon Professional Piston Backpack Sprayer
3. Field King Professional 190328 No Leak Pump Backpack Sprayer
4. Chapin International 63985 Black & Decker Backpack Sprayer
5. Tahoe Tool Company 50200202 Backpack Pump Sprayer
6. My 4 Sons 4-Gallon Battery Powered Backpack Sprayer
7. TABOR TOOLS N-80, 2-Gallon Lawn and Garden Pump Pressure Sprayer
8. Chapin International 617407731200 Chapin 20002 Sprayer
9. Roundup 190327 No Leak Pump Backpack Sprayer
10. Hudson 13854 Never Pump Bak-Pak 4 Gallon Battery Operated Sprayer
Five Interesting Facts about Backpack Sprayers
How to Use a Backpack Sprayer
Backpack Sprayer Safety Rules and Other Tips
Frequently Asked Questions
Verdict and Recommendations

What is a Backpack Sprayer and How Is It Used?

A backpack sprayer is a portable unit, consisting of a tank and a wand with a spraying nozzle on the end. It is used for a precise and even distribution of chemicals without the need for contacting them. Not only does it protect your hands from chemical burns, but also allows spot and directed spraying, which allows to kill weeds without damaging vegetables.
Choosing the best backpack sprayer is not an easy affair because of their wide diversity. To make the right choice one needs to understand clearly what sprayer type he or she needs and why. Modern sprayers are classified based on their pump type and power source.

Piston sprayers

These are popular and relatively affordable units. Their construction includes a piston pump, which creates pressure inside the chamber and forces chemicals to the wand from where they are sprayed out. The strong points of these sprayers are ease of use and a wide pressure range. That said, a piston vs diaphragm backpack sprayer is less resistant to strong chemicals.

Diaphragm sprayers

They are equipped with a diaphragm instead of an inner chamber with a piston pump. They are resistant to strong toxic chemicals and can even pass through the solutions with small abrasive particles. Commonly, diaphragm units are more expensive than the piston ones.
Based on the power source, the following types of sprayers are distinguished:

  1. Manual units where the pressure is created by manual pumping.
  2. Motorized sprayers that run on gasoline.
  3. Battery backpack sprayer options with rechargeable motors.

The two latter options are expensive; they relate to professional gardener equipment. You’ll hardly ever need them unless you have to handle vast territories, such as parks.

Critical Backpack Sprayer Parts & Components

The quality of backpack sprayer parts and components is crucial as it determines the unit’s lifespan and durability. Though different models have different construction, most of them have similar parts. Here are the components that are found in almost any sprayer.

  • A tank is a reservoir for chemicals.
  • A pump is responsible for creating pressure and moving the chemicals.
  • A hose is a flexible tube that connects a tank with a wand.
  • A wand is a rigid hose extender for target spraying.
  • Nozzles can vary in their form and intended use. Various sprayer models come with different sets of nozzles.
  • Clamps and fittings are responsible for the leak integrity.
  • An engine is a part of a motorized sprayer.

We strongly recommend to read a manual before assembling a sprayer, even if you have an experience of using other models. The fact is that Roundup backpack sprayer parts are slightly different from the components of FlowZone sprayers, so you can miss something important.

The Best Backpack Sprayers 2018: a Comparative Chart

Brand

 

 

Type

Capacity

Maximum pressure

Compatible with

Nozzles

Weight

Warranty

FlowZone Shower Backpack & Rolling Lithium-Ion Sprayer

BUY NOW AMAZON Battery-powered, a diaphragm pump 4 gallons 45 psi Fertilizers, herbicides, pesticides 2 12.1 pounds 1 year

Solo 425 Professional Piston Backpack Sprayer

BUY NOW AMAZON Manual, piston 4 gallons 90 psi Fertilizers, herbicides, pesticides 4

10.4 pounds

1 year

Field King Professional 190328 No Leak Pump Backpack Sprayer

BUY NOW AMAZON Manual, piston 4 gallons 150 psi Fertilizers, herbicides, pesticides 4 12.6 pounds 1 year

Chapin International 63985 Black & Decker Backpack Sprayer

BUY NOW AMAZON Battery-powered

4 gallons

45 psi

Fertilizers, herbicides, pesticides

3 10.5 pounds 1 year

Tahoe Tool Company 50200202 Backpack Pump Sprayer

BUY NOW AMAZON Manual, piston 4 gallons N/A Fertilizers, herbicides, pesticides 4 8.49 pounds N/A

My 4 Sons 4-Gallon Backpack Sprayer

BUY NOW AMAZON Battery-powered 4 gallons 60 psi

Fertilizers, herbicides, pesticides

8 14 pounds 6 months

TABOR TOOLS N-80, 2-Gallon Lawn and Garden Pump Pressure Sprayer

   BUY NOW AMAZON Manual, piston 2 gallons 40 psi

Fertilizers, herbicides, pesticides

1 3.45 pounds 1 year

Chapin International 617407731200 Chapin 20002

  BUY NOW AMAZON  Manual, piston 2 gallons 60 psi Common fertilizers, herbicides, pesticides 1 1.3 pounds 1 year

Roundup 190327 No Leak Pump Backpack Sprayer

  BUY NOW AMAZON  Manual, piston 4 gallons 150 psi Fertilizers, herbicides, pesticides 4 12.8 pounds 5 years

Hudson 13854 Never Pump Bak-Pak Battery Operated Sprayer

  BUY NOW AMAZON  Battery-operated 4 gallons 60 psi Fertilizers, herbicides, pesticides 4  17 pounds 1 year

Things to Consider When Buying a Backpack Sprayer

If you don’t want to stay disappointed with your purchase you need to take into account multiple parameters of the product in question. When it comes to choosing a backpack weed sprayer, the following characteristics are of the primary importance.

A Manual or a Motorized Sprayer?

Manual sprayers are cheaper but they have certain advantages. Thus, they are much more convenient for spot application of pesticides. They are also more lightweight and portable: one can easily move them around even without special carts. For a small or medium-sized garden, a manual sprayer is a better choice.
Motorized sprayers are powerful units for handling vast territories. They can produce a higher pressure that makes them a more effective option for spreading chemical over a large territory. Also, they commonly have a range of extra features, which add convenience. They are expensive if compared to the manual units.

The Pump Type

Sprayers with piston pumps are cheaper and work faster but they are quickly damages by some aggressive chemicals and those containing abrasive elements. Diaphragm pumps are more chemical-resistant and durable but slightly more expensive. Before ordering a sprayer, make sure it will handle the chemicals you are going to use.

A Spray Wand

Check the material of the sprayer wand before buying the device, since it is of primary importance. Keep in mind that some herbicides and pesticides are extremely toxic, so the probability of leakage must be excluded. The best option is a stainless steel wand with brass fittings.

Nozzle Selection

Extra nozzles add versatility to a sprayer. There are nozzles for spot and directed application and nozzles for spraying. Check what options are included and make sure they meet your needs. It’s a good idea to check whether you’ll be able to buy spare nozzles separately.

Durability and Easy Repair

Always read backpack sprayer reviews to know how durable and reliable it is. Don’t forget to check the warranty on the product. Keep in mind that even the best units tend to break down sometimes, so it’s important to make sure you’ll be able to find spare parts for your model and repair it or replace the broken components.

How We Decided

To choose top-rated backpack sprayer options, we’ve conducted an extensive research in this field. The research included two stages – a comparative analysis of popular sprayers based on real customers’ reviews and real-life testing of the selected units. Our top-list includes 10 sprayer models that are currently available for sale.

The Best Backpack Sprayers 2018: Our Choice

Our ranking includes sprayers of different types. We tried to pick out the best low-budget options, as well as top premium brands. They vary in terms of features and capabilities; however, all of them are reliable, durable, and flexible enough for everyday use.

FlowZone Shower 4-Gallon Multi-Use Continuous-Pressure Backpack & Rolling Lithium-Ion Sprayer

FlowZone Shower 4-Gallon Multi-Use Continuous-Pressure Backpack & Rolling Lithium-Ion Sprayer

Review:

This FlowZone backpack sprayer is an excellent solution for those who hate hand pumping. The device runs on a rechargeable battery and features a diaphragm-type inner pump. It provides a permanent pressure of 45 psi, which is ideal for fast and even chemical applications. Two nozzles available let you choose between the short-distance precise application and the long-distance mist spraying. FlowZone is compatible with various types of liquids – from water to toxic and aggressive chemicals.

What we think:

The sprayer is heavier and bigger than most backpack options but it features wheels for an easy transportation. Unfortunately, the wheels are not pneumatic and relatively small, so you can experience some difficulties with moving it across a non-even terrain. The overall performance is consistent; one battery lasts for about an hour. That said, there are complains about occasional leaks and drips.

PROS

  • no manual pumping;
  • consistent performance;
  • easy to clean and refill;
  • powerful batteries;
  • two adjustable nozzles included.

CONS

  • there are reports on occasional leaks;
  • the wheels could be more serious.
Solo 425 4-Gallon Professional Piston Backpack Sprayer

Solo 425 4-Gallon Professional Piston Backpack Sprayer

Review:

This Solo backpack sprayer is a classic example of a conventional manual sprayer with a piston pump. It boasts a wide pressure range and a capacious 4-gallon tank. Four various nozzles available allow to resolve a wide spectrum of tasks. The UV-resistant tank suits for working in all weather conditions. The sprayer is compatible with a broad range of chemicals, including pesticides, fertilizers, and herbicides. Strong polyester straps provide a hassle-free transportation of the unit.

What we think:

The sprayer does its work fine – the pump is easy to use, and the wand seems to be well-made. Four nozzles give a lot of versatility. The tank has clear readable gallon measurements. The only small complaint is about the straps: they are a sort of narrow, and when the reservoir is full, they cause a certain discomfort.

PROS

  • a wide pressure range;
  • easy to use and refill;
  • compatible with multiple chemicals;
  • a capacious UV-resistant tank;
  • four nozzles included.

CONS

  • the straps are narrower than expected.
Field King Professional 190328 No Leak Pump Backpack Sprayer

Field King Professional 190328 No Leak Pump Backpack Sprayer

Review:

The strong point of this Field King backpack sprayer is its ability to handle chemicals in various aggregate states – liquid or powders. However, it is not for liquids with small solid or abrasive parts. It has an impressive pressure range – the maximum value is 150 psi, which allows reaching even remote places and making spraying even more precise. The four interchangeable nozzles add versatility, and high-quality fittings and shut-offs increase the unit’s durability.

What we think:

The sprayer works as advertised – it is fast and effective. During testing, we noticed no leaks – the wand is really well-made, and so are the fittings. The only thing that needs to be improved is a pump handle. It is not foldable, which creates certain inconveniences during the storage. You have to disassemble it every time before hanging the unit on the wall.

PROS

  • powerful and efficient;
  • a multi-purpose unit;
  • an impressive pressure range;
  • four nozzles cover all the gardener needs;
  • high-quality materials;
  • no leaks detected.

CONS

  • an inconvenient pump handle.
Chapin International 63985 Black & Decker Backpack Sprayer, 4 gal, Translucent White

Chapin International 63985 Black & Decker Backpack Sprayer

Review:

Being one of the most recognizable brands around, the Chapin backpack sprayer has many advantages. It is reliable and long-lasting – you may work all day long with a single battery charge. It is convenient – a consistent permanent pressure is maintained without the need for manual pumping. Finally, it is relatively lightweight and features high-quality padded straps. This is a multi-purpose unit, and 3 nozzles included make it even more versatile.

What we think:

We love both the construction and the performance of the sprayer. It is easy to clean and refill while all the parts and components seem to be of high quality. The battery is powerful enough to work several hours in a row without recharging. That said, its hose is a bit shorter than desired, which can be a trouble sometimes.

PROS

  • reliable and durable;
  • a long-lasting battery;
  • soft padded straps;
  • three nozzles included;
  • easy to use and clean;
  • high-quality materials.

CONS

  • the hose could be some longer.
Tahoe Tool Company 50200202 Backpack Pump Sprayer with Adjustable Shoulder Straps, 4-Gallo

Tahoe Tool Company 50200202 Backpack Pump Sprayer

Review:

If you need a budget-friendly option, this 4-gallon backpack sprayer from Tahoe Tool is for you. It is one of the most affordable sprayers that comes with a variety of nozzles to cover all your needs. The unit features a semi-transparent 4-gallon reservoir and adjustable straps for the comfortable transportation.

What we think:

You won’t find premium materials or any unusual features in this sprayer. It is a simple and affordable manual pump, which does its job honestly. A variety of nozzles included is a nice addition.

PROS

  • affordable and easy to use;
  • various nozzles available;
  • lightweight;
  • a good capacity.

CONS

  • occasional leaks are recorded;
  • the straps are of average quality.
4-Gallon Battery Powered Backpack Sprayer Wide Mouth

My 4 Sons 4-Gallon Battery Powered Backpack Sprayer

Review:

For those looking for a backpack power sprayer with an expanded range of features, this My 4 Sons unit is a primary option to consider. It comes with powerful lead-acid batteries, which are known for their expanded lifespan if compared to conventional Li-ion batteries. The unit provides a consistent pressure of up to 60 psi while most of its competitors offer no more than 40-45 psi. Apart from a plastic wand, there is a premium-quality steel wand that can resist most aggressive chemicals. Finally, the sprayer comes with eight various nozzles, which means it will cover the vast majority of the gardener needs.

What we think:

A lead-acid battery is a controversial solution. It takes longer to fully charge it while its lifetime is also longer. In general, we have no complaints about the sprayer’s quality and performance. That said, the sprayer is more expensive than most similar options. It comes with a cart, which, frankly speaking, seems useless, as the sprayer is equipped with comfortable shoulder straps.

PROS

  • a powerful battery;
  • the maximum pressure of 60 psi;
  • eight nozzles included;
  • a steel wand is durable and chemical-resistant;
  • compatible with a broad spectrum of chemicals;
  • convenient shoulder straps.

CONS

  • it is expensive;
  • the cart included is excessive.
TABOR TOOLS N-80, 2-Gallon Lawn and Garden Pump Pressure Sprayer

TABOR TOOLS N-80, 2-Gallon Lawn and Garden Pump Pressure Sprayer

Review:

TABOR TOOLS offers a compact 2-gallon backpack sprayer that is perfect for the use on lawns and in small gardens. This is a classic piston pump with a plastic wand and a single nozzle. It is compatible with most fertilizers, herbicides, and pesticides, except for those with solid or abrasive components. It is lightweight and easy to carry over the shoulders. Thanks to the shut-off valve, you can keep your hands free and enjoy a consistent pressure of up to 40 psi.

What we think:

Taking into account the sprayer’s affordability, we have no major complaints about it. You just get what you pay for. On the plus side, it is lightweight and easy to use/refill/store. On the minus side, the wand is plastic and no extra nozzles are included.

PROS

  • compact and lightweight;
  • one of the cheapest options around;
  • a multi-purpose sprayer;
  • a shut-off valve;
  • a good pressure range.
  • only one nozzle.

CONS

  • the wand is plastic;
Chapin International 617407731200 Chapin 20002 2-Gallon Poly Lawn, Garden

Chapin International 617407731200 Chapin 20002 Sprayer

Review:

If you are looking for the best backpack sprayer for the money, you’ve found it! This 2-gallon sprayer from Chaplin is not just incredibly cheap, but also handy, lightweight, and well-made. Using for easy spraying of weed-killers, common fertilizers, or pesticides. It comes with a single adjustable foam nozzle and features a long 12-inch plastic wand. A proprietary anti-clog filter prevents clogging of the wand.

What we think:

Chaplin offers a great entry-level solution is the form of its 20002 sprayer. Despite its compact construction and humble dimensions, it can create an impressive pressure range of 40-60 psi. The product is made in the USA, which adds credibility to the brand.

PROS

  • very affordable;
  • lightweight and compact;
  • good pressure;
  • a foam nozzle included;
  • a high-quality reservoir with a lifetime warranty;
  • 1-year warranty on all working components.

CONS

  • the wand is plastic;
  • only one nozzle.
Roundup 190327 No Leak Pump Backpack Sprayer

Roundup 190327 No Leak Pump Backpack Sprayer

Review:

This Roundup backpack sprayer is for those who are looking for versatility and a possibility of spraying under a high pressure. It comes with four various nozzles and has an impressive pressure range of 25-150 psi.  The sprayer boasts a built-in No Leak system that protects your back and clothes from dripping chemicals. The capacious 4-gallon tank doesn’t feel heavy thanks to the broad padded shoulder straps.

What we think:

This is a good medium-price option for hassle-free lawn and garden processing. With four various nozzles, you can fulfill your tasks in the most efficient and convenient way. The wand is not steel but polyester of high quality is not a bad option.

PROS

  • a broad pressure range;
  • a built-in leak protection;
  • comes with four nozzles;
  • it is practical and easy to use;
  • a locking shut-off valve keeps your hands free.

CONS

  • the wand is not metal;
  • it is a bit pricey.
Hudson 13854 Never Pump Bak-Pak 4 Gallon Battery Operated Sprayer

Hudson 13854 Never Pump Bak-Pak 4 Gallon Battery Operated Sprayer

Review:

With this Hudson backpack sprayer, you get up to 10 hours of autonomous working (without battery recharging). It provides a consistent pressure of up to 60 psi and perfectly suits for treating small, medium-sized, and even large gardens, lawns, yards, etc. Four interchangeable nozzles make the sprayer more versatile. One of the distinctive features of the sprayer is a longer than usual wand of 20 inches. It makes it a preferable option for treating high trees.

What we think:

We love the design, performance, and features of this sprayer. It works as advertised, and seems to cost its money. The only reason why we would prefer anything else is the unit’s weight. It is heavy and a sort of cumbersome when full.

PROS

  • a long-lasting battery;
  • a long wand;
  • four various nozzles;
  • a good pressure range;
  • reliable and durable.

CONS

  • it is heavy and cumbersome.

Five Interesting Facts about Backpack Sprayers

Spraying with a backpack sprayer

  1. A backpack sprayer is a multi-purpose device: it can be used for windows, walls, and vehicles cleaning; whitewashing, and even washing large animals.
  2. Using a powerful backpack sprayer is the only way to treat big palms with chemical mixtures from the land.
  3. Motorized sprayers are widely applied in the industrial agriculture for the treating of many acres of land in a short term.
  4. Specialists recommend wearing a mask and gloves when spraying. A mask will protect you from the toxic mist, and gloves – from occasional leaks.
  5. Some do-it-yourselfers make garden sprayers from fire extinguishers.

How to Use a Backpack Sprayer

Using a backpack sprayer is pretty straightforward. That said, there are some important things to consider before you begin treating your garden with pesticides. Here is a common instruction.

  1. After unboxing, you need to assemble your sprayer, using a manual. In most cases, it is very simple: just attach all the components to each other as it is shown on the box.
  2. Calibrate the sprayer. Choose a suitable nozzle if there are several of them included; find an optimal level of pressure, and the wand length (in case it is adjustable). Detailed information about your backpack sprayer calibration can be found in the manual. Always use clean water for calibration.
  3. Prepare the chemical mixture. Most fertilizers and weed killers need to be dissolved in the water. Commonly, the mixture is prepared in a separate container.
  4. Pour the prepared mixture into the sprayer tank: be careful not to touch the toxic preparation with your hands.
  5. Screw the cap on the tank tightly and make sure the liquid doesn’t leak anywhere.
  6. Put on a backpack sprayer and adjust the straps; put on a mask and gloves, and begin spraying.
  7. Don’t forget to wash the sprayer with clean water after every use.

Backpack Sprayer Safety Rules and Other Tips

Here are some basic tips on how to make working with a sprayer safer and more efficient. In fact, most commonly arising troubles can be easily prevented by following several simple rules.

  • Always release pressure when you finish working in order to prevent a fast wearing-out of the unit. When there is high pressure inside the tank, all the fittings, a cap, and gaskets have to carry an increased load, which reduces their lifespan. In winter, there is a risk of the reservoir breakage – freezing water tends to expand, and if the tank is filled with compressed air, there is just no space for the expanding.
  • Buy repair kits in advance. Problems often arise spontaneously. If you have spare high-quality O-rings, gaskets, fittings, and so on, you’ll be able to fix small troubles in a couple of minutes.
  • Check your sprayers for leakage and other troubles before every use. Make sure all its parts are reliably secured, and the level of pressure is properly adjusted. It takes not much time and helps to prevent major problems.
  • If you run your own agri-business and use sprayers at an industrial scale, make sure all your workers know how to use the Roundup or Shindaiwa backpack sprayer correctly, as various units have various mechanisms of action.

Frequently Asked Questions

If you are buying a backpack sprayer for the first time in your life, some questions about its maintenance and use will inevitably arise. Here, we collected answers to popular questions about sprayers.

Q: How to Maintain Your Sprayer?

A: To keep your sprayer in the working condition and prolong its lifetime don’t forget to pour out or dispose of the remaining chemicals after you’ve finished working. Wash all the backpack sprayer parts with clean water by running a gallon of it through the pump. In winter, it is recommended to pour some anti-freeze liquid in the tank.

Q: How Far Can a Backpack Sprayer Spray?

A: It depends on the type of a sprayer, the length of the wand, and the type of the nozzle used. The wider a jet the shorter the distance is. In average, most sprayers can spray at the distance of 20-30 feet.

Q: Can I Spray Water Sealant through My Sprayer?

A: Yes, many sprayers are compatible with water sealants. The best approach is to check the sprayer manual and read the labels of the sealant. Commonly, sprayers with a brass wand are safe for using with water sealants.

Q: Does a Sprayer Require Constant Pumping?

A: Motorized and battery-powered sprayers do not require pumping at all – they create consistent pressure inside the tank automatically. Manual sprayers require regular pumping but you don’t have to do it constantly. Once the pressure in the tank is created you can continue spraying for quite a long time.

Q: Can I Use a Weed Killer and Insecticide in the Same Sprayer?

A: It is better to use different sprayers for different types of chemicals – some pesticides and herbicides are not compatible with each other, and their mixture can cause harm to your plants. In case of urgent, it is allowed to alternate the two types of substances, but you must wash the sprayer carefully with a mixture of 1/25 ammonia water.

Verdict and Recommendations

We’ve reviewed 10 popular Amazon backpack sprayer options. All of them have their advantages and disadvantages. When making a choice, one should rely on his or her personal preferences and budget.
Our top choice is a 4-gallon battery-powered option from My 4 Sons. It is the best battery-powered backpack sprayer – powerful, reliable, and extremely versatile. Yes, it is a bit more expensive than most counterparts (around $200) but it is worthy of it.
When it comes to manual piston sprayers under $100, our top pick is Solo 425. It is a medium-priced option with a decent build quality and good parameters. Four nozzles included provide enough versatility, and high-quality parts and components guarantee the unit’s durability.
Those looking for the cheapest compact sprayer may consider Chapin 20002. At the price of less than $30, you get an excellent 2-gallon reservoir with a robust plastic wand and an adjustable nozzle. The device is compatible with various chemicals and perfectly covers most gardener needs.

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