18V ONE+™ 1 Gallon Chemical Sprayer

Model: #P2800A

4.7 | 315 Reviews
To easily distribute herbicides, pesticides, and fertilizer in your yard, the RYOBI 18V ONE+™ Chemical Sprayer is the perfect tool. With no pumping required and a translucent 1 gallon tank, monitoring fluid levels is simple. This chemical sprayer has a durable brass nozzle that adjusts for multiple spray patterns and a detachable tank for removing excess liquid and cleaning. For additional convenience, the chemical tank cap doubles as a measuring cup and the tool can be used one handed or two handed depending on user preference. Backed by a 3 year warranty.


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This product is covered by a 3-year limited warranty.

The RYOBI 18V ONE+ System features over 225 unique products, giving you the ultimate in versatility and selection to get the job done.

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  • Power Source: 18V ONE+™ Battery
  • Tank Size: 1 Gallon 
  • Pressure: 45 PSI
  • Tank Material: High Density Polyethylene
  • Hose Length: 54"
  • Nozzles: Adjustable
  • Warranty: 3 Year


  • 18V ONE+™ 1 Gallon Chemical Sprayer
  • Operator's Manual


18V ONE+™ 1 Gallon Chemical Sprayer
18V ONE+ 1 Gallon Chemical Sprayer is rated 4.7 out of 5 by 315.
Rated 2 out of 5 by from Air in Sprayer expanded and Broke! I filled the container up with wet it and forget it and used it for spraying my roof to get rid of the moss and algae. It's not a pressure washer, so it's not a powerful spray. The spray is comparable to a hand sprayer and saves having to pump it up. Finished with the roof spraying, I climbed down the ladder and set the sprayer on the ground. If I were to stop here, I would give it a 5. The problem: When cleaning up, I went to pick up the sprayer, and the tank fell off. I then notice that the cap was broken into a number of pieces, and one of the plastic clips on the motor part of the sprayer that holds it to the tank broke. It was hot that day, and the sprayer was in the sun. So I think what happened is that the air in the tank expanded, broke the lid, and shattered the cap. They are made of hard plastic, not rubbery plastic. Again, it was hot but certainly not as hot as if I had set it down on the roof or asphalt driveway. I would think there should be a relief valve built into the tank to limit the pressure and release any excess amount of pressure that could build up due to the air in the tank expanding. I could get a new cap and bungee cord the tank to the motor part, but I think I will return it to Home Depot. If I do get another one, I will be sure to unscrew the top to release the pressure before setting it down, and when I store it, I will be sure to leave the cap loose.
Date published: 2022-09-25
Rated 5 out of 5 by from Works Great This product works great. We have battled with a pump sprayer for years but love the ease of use.
Date published: 2022-09-23
Rated 5 out of 5 by from Great Sprayer This makes it so easy to spray my yard. No pumping.Can adjust nozzle for direct hit or wide coverage.
Date published: 2022-09-10
Rated 5 out of 5 by from RYOBI Chemical Sprayer Works GREAT! I purchased this RYOBI 1 Gallon Chemical Sprayer about a month ago. It has worked to perfection. The ease of using it without having to pump the chemical out is just worth the price of purchase. I AM LOVING THIS SPRAYER!! It cleaned up well and quick! Thank you RYOBI for another AWESOME product!! A+A+A+A+A+
Date published: 2022-08-31
Rated 5 out of 5 by from Great sprayer I liked this sprayer it put out a good stream and got the job done a lot faster.
Date published: 2022-08-31
Rated 3 out of 5 by from I love it but... I love the sprayer, best and easiest sprayer compared to all the sprayers I have had. Just disappointed that there were holes in the metal spray rod and the product leaked. I don't know how holes got through the sturdy metal?? Would give 5 stars if I can get a replacement part.
Date published: 2022-08-25
Rated 5 out of 5 by from Goodbye Hand Pain! This is so much better than the hand pain from a manual sprayer. I feel like I have the stamina to do the whole yard now!
Date published: 2022-08-25
Rated 5 out of 5 by from Super easy to use I used the sprayer twice. It works great. I'm using one small battery and I have not recharged it yet. The sprayer loses pressure when the liquid in the tank is low, but that is normal for all the sprayers I used in the past. Overall, a great solution for any home. I plan to buy a second tank for a different chemical.
Date published: 2022-08-24
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