Backpack Pump Sprayer

It doesn’t matter how hard you try, weeds just seem to grow faster than ever before! There’s nothing worse than catching sight of them smoothing out your garden, lawn, or yard.

But it doesn’t have to be like this! With pressure backpack Pump Sprayer on the market these days it’s easy enough for anyone (even someone who isn’t too green-fingered!) to control their infestation – which means time left over for enjoying life again.

And that’s what we aim at… breaking down all types of pressure best pump sprayers on offer today; giving clear guidance on how best to use them; then sharing our Landscaping expertise about some great models worth buying if you want tet ahead in gardening terms.

Choosing The Right Pressure Sprayers 

Choosing the right pressure sprayer depends on what type of weeds you’re tackling and how much time you have available to get rid of them. When considering which one is best for your needs, there are four things to keep in mind:
1) What kind of chemical do I need?
2) How big an area am I spraying?
3) Am I applying liquid chemicals or weed killer granules?
4) What about safety precautions such as gloves and masks?

Tank Sprayer

A tank sprayer is an affordable option for those looking to save money on their pest control needs. Tank sprayers are free-standing units with applicator wands attached at one end of a hose which you hold in your hand and fire the trigger when needed.

Tank sprayers come in both manual pumps and battery-powered versions so it’s easy to find one that suits your budget requirements best!

Hand-Held Pressure Sprayer

Hand-held pressure sprayers are ideal for applying fertilizers, insecticides, and other garden chemicals around the yard. They can also be used indoors when spraying off equipment or floors before cleaning them up.

Generally designed with a small pressure pump and gun trigger these devices allow you to use one hand which frees up your other arm for carrying things such as buckets of water or mops!

Backpack Sprayer

You’ll find that Backpack Pump Sprayers are ideal for long periods span spent in the area spraying weeds or applying insecticides because all the weight is directly on your back rather than being carried by your shoulders.

They need to be strong and durable enough to hold up under regular use with heavy tanks full of herbicide weighing them down, so look out for connectors and adjusters that stand up well against pressure build-up within tanks when pumping manually or using battery power.

One type includes pumps requiring manual actuation; these create pressure inside the tank which forces liquid through spray heads when the trigger is pressed; some models have had battery-read backpack pump sprayers where batteries do pump work instead.

Best Weed Killer Pump Sprayers

We went on a mission to find the best pump sprayers available for general consumer use. Our main goal was to find a well-built product that is comfortable enough for two tank loads of weed killer.

As well as expert testing and own experience with these products, I take into consideration customer reviews across the major online retail platforms as well as home and garden forums about which one has delivered satisfaction level mocustomersmer like it very much over all other brands tested so far.

Best Backpack Weed Sprayers


1. Husqvarna Backpack Sprayer 4 Gal


Backpack Pump Sprayer
Brand NameHusqvarna
Capacity4 gallons
Item Weight12.00 pounds
Tank Volume4.0 gallons
UNSPSC Code21101800
Warranty Description5-Year Limited Warranty

The Husqvarna Backpack Pump Sprayer 4 Gal is a well-built, functional backpack sprayer built for liquid concentrates and powders.

This model includes a 50′′ reinforced hose for a good range of motion when spraying; it also includes 3 different nozzle heads so you can adjust the spray pattern depending on what you’re spraying!

Our test found it was not as comfortable as some other models we tested but did come with some nice perks like an adjustable shoulder strap which helps distribute weight evenly over your shoulders!



    • Solid feel and good spray pressure
    • Well built from a highly regarded brand name
    • Lacks a few features
    •  Not quite as comfortable as Field King or Roundup

    2. Solo 425 Backpack Sprayer 4 Gal


    Backpack Pump Sprayer
    • Easily spray liquid disinfectants, fertilizers, herbicides, and pesticides with Solo’s high-performance piston pump for tree, s, shrub, and plant protection
    • Designed with a commercial shut-off valve that securely locks in either the on or off position to minimize user fatigue, the pump handle is interchangeable for left or right-hand operation.
    • Solo’s 425 backpack sprayer includes a 20-inch unbreakable wand that securely connects to a 48-inch nylon-reinforced high-pressure hose for an extended reach.
    MaterialHDPE High-density polyethylene
    Item Weight10.3 Pounds

    The Solo 425 Backpack Sprayer 4 Gal is available in 3 or 4-gallon tank sizes, with manual pump options including battery-powered pumps and gas-powered pumps.

    This product has been widely distributed throughout America, Europe, and the United Kingdom making it accessible to most readers across these regions.

    I would recommend this product because it’s widely available across all regions due to its availability at many retailers such as Lowes Hardware Stores which carry Solo products nationwide!

    The solo 425 model I am featuring here offers a manual piston pump capable of producing 90 psi which shoots 20ft of spray!



    • A good weed sprayer for home use
    • Available across most regions and with several models available
    •  Battery powered models are top heavy and not as reliable as some other brands

    3. Roundup Backpack Sprayer 4Gal 


    Backpack Pump Sprayer
    • 4-Gallon sprayer meets all your spraying needs (controlling weeds and pests, growing flowers and veg, ables and cleaning decks and siding)
    • Heavy-duty poly wand with shut-off featuring a comfort grip, lock for continuous spraying, and an in-line filter
    • Viton seals and gaskets throughout the pump and shut off long-lasting lasting chemical resistance
    • Adjustable padded straps  with a waist belt and built-in lumbar support
    • Includes 3 nozzles for versatility: poly adjustable, high volume fan, and low volume fan

    The Roundup Backpack Sprayer 4Gal model no. 190314 provides plenty of tank capacity to get a lot of weed prevention under your belt.

    This backpack-style pump sprayer has been designed specifically with herbicide in mind by including all bases such as heavy duty poly wand, built-in spray lock for continuous spraying, gaskets, and seals which are designed for chemical liquids like herbicides making it safe when used with weed killers;

    plus you also get 4 different interchangeable nozzle heads allowing you to change depending on what type of pattern is required – coverage widths vary from 2ft up to 12ft.

    There’s nothing bad about this product other than I don’t think it would be very good if you were just looking at weeds growing around the baseboard – however, if it’s something like large areas then I recommend it!



    • The waistband provides lumbar support
    • Comfortable padded straps
    • In-line filter to protect the nozzle
    • Not as well built as Field King Max

    4. Field King Max Backpack Sprayer 4Gal


    Backpack Pump Sprayer
    • Internal No Leak Pump design is safer to use – chemicals will not drip down your back.
    • Durable, 21-inch stainless steel wand with the highest quality Viton seals for chemical resistance.
    • Premium, lockable shut-off with brass components and an in-line filter.
    • Easy access pump, change seals in just minutes with no tools.
    • 4 nozzles included: brass adjustable, 2 flat fans, and foaming nozzle. Also accepts TeeJet nozzles.

    The Field King Max Backpack Weed Sprayer takes our 4th spot for all-around best tank sprayer. This system offers 150 psi of pressure which provides up to 30 ft in spraying distance!

    Equipped with stainless steel shaft on the wand and four interchangeable spray heads so you can choose one based on the job at hand, it also includes an internal pump system that blends liquids automatically when pumping it like powder or fine granular ingredients.

    The tank has a filter basket across its aperture where large particles won’t fall into it during refills; there’s also an agitator built into the pump which stirs contents as you fill up before use–so useful if using powders or fine granular ingredients!

    Finally, I find Field King backs packs are some of the most comfortable outs there–especially compared to many others on this list; plus the handle is adjustable left/right-handed actuation.



    • Stainless steel wand
    • Also available in a battery-powered model
    • Very high build quality
    • Comfortable to wear for long periods
    • Nothing of significance

    5. Chapin Backpack Sprayer 4Gal 


    Backpack Pump Sprayer
    BrandChapin International
    MaterialBrass, Reinforced PVC
    ColorTranslucent White
    StyleBackpack Sprayer W/Adjustable and Fan Nozzle
    Item Weight9.2 Pounds
    • Compatible with common fertilizers, weed killers, and pesticides
    • 4-Gallon translucent tank with 4-inch wide mouth opening for easy filling and cleaning
    • 3-Stage Filtration system with in-tank removable/cleanable filter
    • Cushion grip poly shut-off with three nozzles for a variety of applications.

    The Chapin 61800 4Gal Backpack Weed Sprayer is great for light or occasional use around the yard and garden. It provides decent lumbar support making it relatively easy to carry it around even when full, thanks to padded shoulder straps with a 3-stage filtration system that traps any debris before it clogs up your unit including a basket filter on top of the tank aperture.

    You get 3 different spray patterns too! Plus if you want something cheaper than our other backpack sprays then this one might be worth considering despite its weaker output because at half price it represents very good value for money.



      • Good for occasional use
      • Includes decent features
      • Value for money
      • Not in the same league as some other product on our list

      Best Tank Sprayer


      1. Chapin Multi-Purpose Sprayer 1Gal


      Backpack Pump Sprayer
      • 1-Gallon, translucent tank with a wide funnel top for easy filling and cleaning
      • Includes two nozzles: a foaming nozzle for using less material with increased accuracy, and an adjustable Cone nozzle with numerous spray patterns
      • Made in the USA with global materials
      • Compatible with Common fertilizers, weed killers, and pesticides
      • In-tank, Anti-Clog Filter
      • Ergonomic handle for easy pumping and carrying
      • Includes a 12-inch wand, 34-inch hose, and comfortable spray handle

      Chapin Multi-Purpose Sprayer 1Gal This Chapin multi-purpose pressure sprayer is a very popular choice amongst internet buyers. With its sturdy design and simple functions, it’s one of the best-selling items on the market today.

      This particular model offers a one-gallon capacity which falls towards the lower end of tank size on the market today; however, it also offers simplicity, portability, and durability in its design so it’s worth considering if those factors matter more than other options on the market today.



        • Smallest tank on our list, so very portable
        • Simple design and very easy to use
        • Does not have all of the features of some other pumps

        2. Vivosun Garden Pump Sprayer 1.85Gal


        Backpack Pump Sprayer
        • Multi-Functional: VIVOSUN pump sprayer designed for spraying plants, car detailing, pet bathing, and more cleaning solutions; It is especially suitable for indoor and outdoor plants
        • Convenience: The ergonomic handle with a locking trigger facilitates long-time spray operation, reducing fatigue; It can also be used to lock the trigger at the handle for constant, consistent flow
        • Adjustable Rod: The high-quality nozzle can adjust the intensity of the water spray from direct injection to fine mist; the 22.28-in long spraying wand and 50-in hose give a better, more practical reach, and help you spray plants that are hard to access

        Vivosun Garden Pump Sprayer 1.85Gal The Vivosun tank sprayer is available in models ranging from 0.8-gallons up to 2 gallons. Controlled by a standard hand pump surrounded by an extra-large cup to make filling the tank nice and easy.

        Despite the orange appearance, the tank is translucent, allowing you to see the fluid level. The base is made from thicker plastic to hold the unit stable and prevent damage.

        Each model comes with a heavy-duty shoulder strap and a pair of gloves. The 56cm wand has a comfort-grip handle incorporating a shut-off valve, so you can carry the sprayer over your shoulder and rest your hand while maintaining a constant flow.



          • Extra-wide easy fill cup
          • Perfect for indoor and outdoor use
          • The thickened bottom significantly improves its durability and stability
          • Better options are available in the 1.5-gallon + sizes

          3. Smith Contractor Pump Sprayer 2Gal


          Backpack Pump Sprayer
          • Versatile sprayer designed not only for lawns, but also for commercial cleaning, sanitizing, and applying harsh chemicals
          • Premium, commercial grade shut-off with comfortable grip; lock-on feature; an easy-to-clean, in-line filter
          • 21-inch poly wand with Viton seals throughout pump and shut-off for long-term resistance to chemicals
          • The pressure release valve helps prevent chemicals from getting on you before opening the tank
          • Includes 5 nozzles for ultimate versatility: poly adjustable, brass adjustable, 2 flat fans, and a high-performance foaming nozzle

          Smith Contractor Pump Sprayer 2Gal The Smith 190216 2-Gallon Sprayer is good for Lawns, Gardens, and also suitable for commercial use.

          This unit has many great features including 1, 2, or 3 Gallon models in the product range; a commercial-grade polymer wand; interchangeable nozzles; easy carrying by handle; shoulder strap; Viton seals; 60 psi pressure release valve.

          The Smith 190216 2-Gallon Sprayer is a well-built best pump sprayer with plenty of great features including 1, 2, or 3 Gallon models in the product range; a commercial grade polymer wand; an interchangeable nozzle; easy carrying by handle; shoulder strap; Viton seals; 60 psi pressure release valve.



            • In-line filter
            • 5 changeable nozzles
            • Excellent build quality
            • Only 1-year warranty

            4. Spear And Jackson Pressure Sprayer 1.85Gal


            Backpack Pump Sprayer
            • 8 Litre pump action pressure sprayer with a pressure release valve and shoulder strap
            • Translucent graduated bottle in liters and fluid ounces for accuracy when filling or mixing within the bottle
            • 560 mm watering wand/lance and 1.3 m hose for use in awkward or inaccessible places
            • Fully adjustable wand nozzle from spray to mist, lockable trigger mechanism, and water flow regulator
            • Use with water and nonviscous water-based or soluble products including pesticides, herbicides, insecticides, fungicides, fertilizers
            • Grow your own British growing 2018 award winners
            • Where not using water, use liquids no less/more than pH values 5-9

            This tank sprayer delivers reliability at a great value over many years of use. Spear & Jackson has sold more units than all of the other tank sprayers on this list combined and scores 4.5/5 stars on the Amazon UK site.

            This award-winning tank sprayer is another simple but solid performer; it’s comfortable to use, feels good on the trigger, and delivers a strong spray with a great spray pattern. Simply twist the nozzle to adjust it; what you get here is reliability which provides great value over many years of use.



            • Simple, but hugely popular
            • A long-standing reputation
            • Not many features

            5. Scotts Battery Pump Sprayer 2Gal


            Backpack Pump Sprayer 

            • Rechargeable lithium-ion power. Sprays up to 12 full tanks per charge.
            • Premium, commercial grade shut-off with comfortable grip; lock-on feature; an easy-to-clean, in-line filter
            • 21-inch poly wand with Viton seals in shut-off for long-term resistance to chemicals
            • The pressure release valve allows you to safely remove internal pressure before opening the sprayer
            • Teardrop-shaped tank adds stability Due to the lower center of gravity and includes built-in nozzle storage and protection.
            • 3-In-1 nozzle with three settings: fan spray, stream spray, and cone spray

            Scotts Battery Pump Sprayer 2Gal This product is one of two very close competitors for the top spot in battery-powered tank sprayers.

            I have a bias against battery-powered sprayers because I prefer manual pump mechanisms so I’m making an exception here because Scotts Tank Sprayer has been great so far!

            One colleague who uses it at home also loves it so much she won’t go back to her old way of doing things. So my own bias aside, Scotts Battery Tank Sprayer takes the top spot because it delivers on build quality, features, and reputation for battery-powered units over time.

            You’ll pay around $40 extra for this product compared to other models but if you want battery power then it will be worth it over time given its 12 full tanks per charge capacity and 3-in-1 nozzle settings for fan spray, stream spray, and cone spray without dripping!



              • 3-in-1 nozzle
              • Solid build quality with a 3-year warranty
              • Very reliable battery, 12 tanks per charge
              • Double the price of a manual pump version

              How To Use Weed Killer Sprayers: Step-By-Step 

              1. When spraying chemical solutions it is always advisable to wear protective clothing to prevent chemicals from making contact with your skin.
              2. Before you attempt to unscrew the cap, lid, or top of your tank sprayer before opening the pressure valve, release any pressure already trapped inside the tank.
              3. Fill the tank with water up to the required level. Be sure to read the herbicide manufacturers’ instructions on dosage and dilution ratio before adding any weed killer, fertilizer, or other concentrates.
              4. Pour the concentrate into the tank and reseal the tank lid and tighten until you get an air-tight seal.
              5. Grip the tank pump handle and slowly lift to extend the pump and push back down to begin creating pressure within the tank.
              6. You will know when there is enough pressure because pumping motion becomes more difficult and you feel noticeable resistance when trying to push it down.
              7. Take the applicator wand and point the nozzle towards the floor then twist open the nozzle and carefully press the trigger if everything checks out continue spraying.