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Backpack Sprayers

10 Best Backpack Sprayers 2025 in the UK

#1

Winner

Ryobi RY18

RYOBI

Ryobi RY18BPSB-0 18V ONE Plus Cordless Backpack Sprayer (Bare Tool), Green

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#2
HOZELOCK -

Hozelock

HOZELOCK - Pressure Sprayer Standard 5L : Versatile, Easy-to-use Sprayer, Ideal for Water-based Solutions (Insecticides, Fungicides, Weedkillers, Fertilisers), 20cm Lance [4230 0000]

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#3
Faithfull

Faithfull

Faithfull SPRAY16AV Pressure Sprayer Knapsack 16L

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#4
Oregon Bac

Oregon

Oregon Backpack Pressure Garden Chemical/Weed Killer Sprayer with Lance and 4 Adjustable Spray Nozzles, 20 Litres, Knapsack Wearable Gardening Accessories

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#5
Oregon Bac

Oregon

Oregon Backpack Pressure Garden Chemical/Weed Killer Sprayer with Lance and 4 Adjustable Spray Nozzles, 16 Litres, Knapsack Wearable Gardening Accessories

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#6
HOZELOCK -

Hozelock

HOZELOCK - Pressure Sprayer Standard 7L : Versatile, Easy-to-use Sprayer, Ideal for Water-based Solutions (Insecticides, Fungicides, Weedkillers, Fertilisers), 30cm Lance [4231 0000]

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#7
Hozelock 5

Hozelock

Hozelock 5 Litre Sprayer (Maximum fill* 3 Litre) for the Treatment of Plants using Herbicides, Pesticides, Fungicides or Applying Liquid Fertiliser

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#8
Chapin Int

Chapin International

Chapin International 26031XP Chapin ProSeries Poly Sprayer for Fertilizer, Herbicides and Pesticides, 3-Ga, 3-Gallon, Translucent White

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#9
Chapin Pro

Chapin International

Chapin Pro Series 26021

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#10
HOZELOCK -

Hozelock

HOZELOCK - Pressure Sprayer Pulsar Plus 12L : Ideal for Large Gardens, Combines Practicality, Safety and Comfort, Separate Carrying Handle, Multi-jet Nozzle, 60cm Aluminium Lance [4312 1240]

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Our Top Picks

#1

Winner

Ryobi RY18BPSB-0 18V ONE Plus Cordless Backpack Sprayer (Bare Tool), Green

10.0  score

Ryobi RY18BPSB-0 18V ONE Plus Cordless Backpack Sprayer (Bare Tool), Green

RYOBI

10.0  score

Check price

Rating
10.0
Chosen by1,230
Tank Capacity
Pressure Range
Weight and Comfort
Tank Capacity
The large tank capacity means fewer refills, which is a huge bonus for extensive garden work.
Pressure Range
The Ryobi backpack sprayer is a game-changer, offering fantastic spray pressure and making tasks significantly easier than manual handpump versions.
Weight and Comfort
The backpack design is a lifesaver for longer spraying sessions, offering comfort and reducing shoulder strain.
Nozzle Types
The adjustable nozzles ensure impressive reach, making it easy to target tricky spots like under leaves or along fences.
Material and Durability
Constructed with a solid build, the sprayer feels sturdy and durable, promising years of reliable use.

The Ryobi RY18BPSB-0 18V ONE Plus Cordless Backpack Sprayer stands out with its substantial 15-liter tank capacity, making it suitable for large gardens. The battery-powered pump eliminates the need for manual pumping, which reduces fatigue and makes tasks quicker. Adjustable padded straps add to the comfort, which is important for extended use.

The sprayer offers a lock-on feature for continuous spraying, freeing you from holding the trigger continuously. It comes with two nozzle types: a flat fan nozzle and an adjustable spray nozzle, providing versatility for different spraying tasks. Weighing 4.8 kg, it's relatively lightweight for its capacity, though it might still feel heavy when the tank is full.

Made from metal, it promises durability. However, being a bare tool means you need to purchase the battery separately. It’s a good choice for those needing a reliable and comfortable sprayer for various garden and agricultural tasks.

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Rating
10.0
Chosen by1,230
Tank Capacity
Pressure Range
Weight and Comfort
Tank Capacity
The large tank capacity means fewer refills, which is a huge bonus for extensive garden work.
Pressure Range
The Ryobi backpack sprayer is a game-changer, offering fantastic spray pressure and making tasks significantly easier than manual handpump versions.
Weight and Comfort
The backpack design is a lifesaver for longer spraying sessions, offering comfort and reducing shoulder strain.
Nozzle Types
The adjustable nozzles ensure impressive reach, making it easy to target tricky spots like under leaves or along fences.
Material and Durability
Constructed with a solid build, the sprayer feels sturdy and durable, promising years of reliable use.
#3

Faithfull SPRAY16AV Pressure Sprayer Knapsack 16L

9.9  score

Faithfull SPRAY16AV Pressure Sprayer Knapsack 16L

Faithfull

9.9  score

Check price

The Faithfull Pressure Sprayer Knapsack is a solid choice for gardeners needing a reliable backpack sprayer with a large 16-liter tank, which reduces the need for frequent refills during bigger jobs. Its plastic build is shatterproof and frost-resistant, making it durable enough for various outdoor conditions and compatible with most water-based garden chemicals. The pump-as-you-go system helps maintain pressure with minimal effort, and the trigger lock supports continuous spraying, which is handy for covering larger areas efficiently.

Comfort-wise, the curved tank and padded shoulder straps with quick-release buckles make it easier to carry during extended use, though at around 3 kg, it can feel a bit heavy when fully loaded. The sprayer includes a 140 cm hose and 90 cm lance, offering good reach to hard-to-access spots. Having three adjustable nozzles—30-degree twin spray, fan spray, and four-hole spray—gives you flexibility to handle different spraying tasks, from pest control to weed treatment. A service kit is a nice bonus for maintaining the sprayer's performance over time.

The plastic construction, while durable, might not feel as sturdy as metal alternatives for very heavy-duty or professional use. Also, it relies on manual pumping, so it requires some physical effort compared to battery-powered models. This sprayer is well suited for home gardeners or those managing medium to large garden areas who want a practical, easy-to-use tool without breaking the bank. The 5-year guarantee adds confidence in its durability and reliability.

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Buying Guide for the Best Backpack Sprayers

Choosing the right backpack sprayer can make a significant difference in the efficiency and ease of your gardening or agricultural tasks. A backpack sprayer is a versatile tool used for applying fertilizers, herbicides, pesticides, and other liquid solutions. To find the best fit for your needs, it's important to understand the key specifications and how they impact performance and usability. Here are the main factors to consider when selecting a backpack sprayer.
Tank CapacityTank capacity refers to the amount of liquid the sprayer can hold. This is important because it determines how long you can spray without needing to refill. Tank capacities typically range from 2 to 6 gallons. Smaller tanks (2-3 gallons) are lighter and easier to carry, making them suitable for small gardens or short tasks. Medium tanks (4-5 gallons) offer a balance between capacity and weight, ideal for medium-sized gardens or moderate tasks. Larger tanks (6 gallons) are best for extensive areas or prolonged use but can be heavy when full. Choose a tank size based on the area you need to cover and your ability to carry the weight comfortably.
Pump TypeThe pump type determines how the sprayer builds pressure to spray the liquid. There are two main types: piston and diaphragm pumps. Piston pumps are generally more efficient and can generate higher pressure, making them suitable for spraying fine mist and reaching higher areas. However, they are more prone to wear and tear when used with abrasive chemicals. Diaphragm pumps are more durable and can handle a wider range of chemicals, including those that are abrasive or contain solids. They are ideal for heavy-duty use and longer-lasting performance. Choose a pump type based on the type of chemicals you will be using and the durability you need.
Pressure RangeThe pressure range of a backpack sprayer affects the spray pattern and reach. Higher pressure allows for finer mist and longer reach, which is useful for tall plants or trees. Lower pressure is suitable for close-range spraying and larger droplets, which are less likely to drift. Pressure ranges typically vary from 15 to 90 psi (pounds per square inch). For general gardening tasks, a pressure range of 15-30 psi is usually sufficient. For more specialized tasks, such as spraying tall trees or applying fine mist, look for sprayers with higher pressure capabilities. Consider the types of plants and the height you need to reach when choosing the pressure range.
Weight and ComfortThe weight of the backpack sprayer, especially when filled, can impact your comfort and ease of use. Look for sprayers with padded shoulder straps and back support to distribute the weight evenly and reduce strain. Some models also offer waist belts for additional support. The empty weight of the sprayer combined with the tank capacity will give you an idea of how heavy it will be when full. If you have a large area to cover or will be using the sprayer for extended periods, prioritize comfort features to avoid fatigue and discomfort.
Nozzle TypesNozzle types determine the spray pattern and droplet size. Common nozzle types include adjustable, fan, cone, and stream nozzles. Adjustable nozzles allow you to change the spray pattern from a fine mist to a solid stream, offering versatility for different tasks. Fan nozzles provide a wide, even spray, ideal for covering large areas quickly. Cone nozzles create a circular spray pattern, suitable for targeted applications. Stream nozzles produce a concentrated jet, useful for reaching specific spots or high areas. Consider the types of applications you will be performing and choose a sprayer with the appropriate nozzle options.
Material and DurabilityThe material of the backpack sprayer affects its durability and resistance to chemicals. Common materials include plastic, stainless steel, and polyethylene. Plastic sprayers are lightweight and affordable but may not be as durable as other materials. Stainless steel sprayers are highly durable and resistant to corrosion, making them suitable for heavy-duty use and harsh chemicals. Polyethylene sprayers offer a good balance of durability and chemical resistance, suitable for most gardening tasks. Choose a material based on the type of chemicals you will be using and the level of durability you need.