Solo Backpack Sprayer Reviews | Manual or Battery Powered

Solo is a very well known brand in the world of backpack sprayers, and currently, they’ve released some of the top models on the market right now. In this post, you will be able to find the solo backpack sprayer reviews of top 5 products which did the best at the test and through use.

I’ve found Solo brand to be very competitive and their products can easily be compared to even more expensive models.

Their backpack sprayers offer many features which can be found in commercial and professional sprayers, therefore, they’re very close to offering professional backpack sprayers for home/personal use.

Solo 425 Deluxe 4-Gallon Professional Solo Backpack sprayer

Solo 425 Deluxe version is a classic and convenient professional backpack sprayer that is suitable for any type of spraying.

It can handle the toughest tasks, but also effortlessly make sure your backyard and garden are free of harmful pests.

Solo 425 Deluxe 4-Gallon Professional Solo Backpack Sprayer

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Solo 425 Deluxe backpack sprayer has an increased pressure to achieve the higher performance. It can handle up to 90 PSI just like any other professional backpack spray can. There’s also another professional feature which is a shut-off valve, which is usually seen in commercial backpack sprayers, that features lock-on and lock-off to minimize the fatigue.
To make sure you get everything necessary, solo backpack sprayer has a large choice of accessories. You will get an extra large carrying handle that comes with a wand retainer for easier portability and storage. For the best comfort, deluxe shoulder straps will make sure that your shoulders and back don’t get sore at all. There’s even a safety waist belt to help the users achieve the best comfort.
The pump on Solo 425 Deluxe backpack sprayer is interchangeable which means it’s suitable for both left-hand and right-hand users. To make sure you are able to get the necessary reach, the high-pressure hose will help you for an extended reach. On the other hand, targeted spraying has never been easier, and it has never felt more satisfying than with this exact model.
PROS:
  • Easily handles various liquids such as fertilizers and pesticides.
  • Increased capabilities with increase pressure.
  • Extra large carrying handle for better performance and easier use.
  • Interchangeable pump handle.
  • Four nozzle assortments compatible for various spraying tasks.
  • A large tank that doesn’t require refill often.

CONS:
  • Assembly is a bit harder than other Solo backpack sprayer models.

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Solo 425 4-Gallon Professional Solo Backpack Sprayer

This might look the same to the Solo 425 Deluxe backpack sprayer, however, this version isn’t Deluxe. Yet it still deserves a place on our list.

There is a tiny bit of a difference, but both of these professional backpack sprayers are good enough to make you want to go for any of them.

Solo 425 4-Gallon Professional Solo Backpack Sprayer

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Solo 425 features 4-gallon tank that is able to have a pressure of 60 PSI. It can easily handle fertilizers, herbicides, and other types of liquids thanks to the high-density polyethylene tank. It’s UV resistant and its opening is 4.25 inches wide and easy to refill, with an added filter that makes sure there is no debris in the tank. The tank is made from the high-grade corrosion resistant plastic which can handle anything.
Solo backpack sprayer offers one of the longest wands that still have a great pressure which makes them ideal for any type of spraying. The longest wand is 48″ and it has the ability to reach the full pressure of 60 PSI. If you’re looking for a wand that will help you do on-target spraying, there is also a 28″ wand which is suitable for close spraying.
To achieve as many spraying combinations as possible, four-nozzle assortment offers four different nozzles to suit the multiple spraying tasks. You can use any of the following: hollow cone, jet stream nozzles, adjustable fan spray and even TeeJet compatible nozzles as an attachment. Combine that with two wands to choose from and you’re basically ready to take on any spraying task.
PROS:
  • Compact and light, yet durable and strong tank.
  • 2 filtration system.
  • Can handle any spraying task.
  • 4 nozzle assortment.
  • Padded straps.

CONS:
  • Sprayer valve can get a bit leaky sometimes.

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Solo 421 Portable Chest-Mount Solo Backpack Sprayer

Solo 421 is one of the most unique sprayers, yet is the leading sprayer in its own category. Unlike other sprayers which are made to be carried on your back, Solo 421 is a portable chest mount sprayer that is as good as any other backpack sprayer.

Solo 421 Portable Chest-Mount Solo Backpack Sprayer

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Even though this sprayer might not be your usual type of sprayer, but it’s worth to mention it’s equipped only with best in class features. There is a screw on cap that prevents spilling during refills but also keeps the harmful liquids away from the user. Chest mount is comfortable thanks to the snug fit and it still allows users to have an exceptional maneuverability.
Since Solo 421 is categorized as a portable sprayer, its versatility is one of the advantages which allows the users to spray a good amount of chemicals on uneven terrain while being even more convenient than a backpack sprayer or a wheeled spreader. The good thing about its versatility is that it can handle various liquids, no matter the substance so the spraying continues everywhere.
The tank of Solo 421 chest mount sprayer is made from polyethylene stainless steel material and components. Don’t worry, the tank is still very light, but at the same time, all components and the tank is resistant to rust, dust, cloggings, and other problems. All you have to do is to lubricate the gears and Solo 421 will award you with its long lifespan.
PROS:
  • Fingertip levelers for the best comfort and control.
  • Durable gearbox for a long lifespan.
  • Large opening with a filtration system.
  • 20 lbs capacity tank.
  • Comfortable pads.
  • Very safe for the user.
  • Price is reasonable.

CONS:
  • The strap could have been designed a bit better, it’s not the most comfortable strap.

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Solo 475-B Diaphragm Pump Solo Backpack Sprayer

At first, almost every solo backpack sprayer might look very familiar at the first, however, 475-B is a very special model. It’s the model that comes with a diaphragm pump that definitely makes a difference.

Solo 475-B Diaphragm Pump Solo Backpack Sprayer

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Thanks to the diaphragm pump, Solo 475-B backpack sprayer can handle even the harshest liquids out there. It can handle anything from disinfectants, various bleach solutions, herbicides, and other types of liquid.
Solo 475-B did really surprise everyone with its diaphragm pump that is almost twice stronger and more durable than other types of pumps. It’s made from high-quality materials that offer high-performance. With Solo 475-B backpack sprayer, you will even be able to use wettable powders, liquid, and various bleach solutions without any damage to the pump or tank itself. At the same time, you will be able to spray for a long time with a pressure of 60 PSI.
Since you will have a diaphragm pump available do to any type of spraying tasks, with any type of liquids or even powders, that’s not where the surprise stops. Solo 475-B comes with two nozzle sprayers and 4 different nozzle assortments as a match to different types of spraying. That being said, you will be able to do any type of spraying whether it’s on-target spraying where the precision matters the most or long-distance spraying with an extra-long wand.
PROS:
  • High-quality material.
  • Compatible with any type of liquid and powder.
  • Great additional accessories.
  • Interchangeable pump handle.
  • Full range of applications.
  • Professional grade wand.
  • Comfortable straps.

CONS:
  • Shoulder straps are a bit too narrow but are still comfortable at the same time.

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Solo 473-P 3-Gallon Solo Backpack Sprayer

If you’re looking for a little bit smaller backpack sprayer that will be lighter to carry, and yet will offer a full range of professional and commercial accessories and features – Solo 473-P is exactly what you will need.

Solo 473-P 3-Gallon Backpack Sprayer

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Even though Solo 473-P is only a 3-gallon backpack sprayer, it has a powerful piston pump that has the ability to easily and effectively handle various liquids and formulations. It almost seems unbelievable that this backpack sprayer offers a pressure of 90 PSI thanks to the piston pump, but once you start using it, you’ll never want to go back. Of course, there is also a commercial-grade shut-off valve feature.
Viton seals are placed in the key locations in order to ensure a long service and durability no matter what type of liquids or what kind of spraying tasks you’re doing. If leaking is your main concern, then Solo 473-P with a Viton seals is the right model for you to choose.
While most of the backpack sprayers are made for only right-hand people, solo backpack sprayer is always making sure to add interchangeable pump handle into their backpack sprayers to meet the needs of both left and right-hand users.
PROS:
  • Handles various liquids very well without clogging.
  • Piston pump that has a high-pressure output.
  • Commercial features such as shut-off valve & commercial grade wand.
  • Interchangeable pump handle.
  • 4-nozzle assortments for various spraying tasks.
  • Padded adjustable shoulder straps for best comfort.

CONS:
  • Installing and assembly instructions aren’t written too well.

solo backpack sprayer has been in the game for a long time now, and they’re working hard on improving their models which were a success for them so far.

They’ve been listening to the customer’s feedback and did really implement everything there is to improve the backpack sprayers.

Now, it’s really easy to enjoy the Solo backpack sprayers and experience effortless spraying no matter the location or the purpose.

Whether you go with the Solo 473 Piston pump backpack sprayer or with a Deluxe version which is a bit upgraded version of the 425 backpack sprayer – you won’t regret it.

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