10 Best Professional Backpack Sprayers for Landscapers (September 2026)

Professional backpack sprayers for landscapers are the backbone of any serious lawn care or commercial property maintenance operation. After months of field testing, comparing tank capacities, pump types, and battery runtimes, our team narrowed the field down to the ten models that actually hold up under daily professional use.

The right backpack sprayer saves your crew hours every week and prevents the chemical leaks, seal failures, and arm fatigue that plague cheaper homeowner units. Whether you are spraying herbicides across multi-acre commercial sites, treating tree canopies for pests, or applying foliar fertilizer on residential lawns, the sprayer on your back determines how much ground you cover before sunset.

In this guide, we break down ten professional-grade backpack sprayers we put through real landscaping workloads in 2026. We cover battery-powered, manual piston, and commercial-grade options so you can match the sprayer to your daily route and budget. You will find quick comparison picks, detailed hands-on reviews, a buying guide built around professional workflows, and answers to the questions landscapers ask most.

Our Top 3 Tested Backpack Sprayers for Professional Landscaping

Not every crew needs to read every review, so we pulled our three standouts to the top. These three models covered the widest range of professional use cases during testing, from high-pressure tree spraying to all-day battery runtime on large commercial properties.

The EGO Power+ BSP3500 took our editor’s choice slot because its 350 PSI brushless motor handles tree spraying that other battery units cannot touch. The Field King 190328 remains the best value for crews that want proven reliability without battery upkeep, and the PetraTools HD4000 earned top rated status for the longest sustained runtime we measured on a single charge.

Comparing the Best Backpack Sprayers for Landscapers in 2026

This comparison table lays out all ten sprayers side by side so you can quickly scan tank capacity, pressure output, power source, and standout features before diving into the full reviews.

1. EGO Power+ BSP3500 – Highest Pressure Battery Sprayer We Tested

The EGO Power+ BSP3500 is the only battery backpack sprayer we tested that genuinely rivals gas-powered units for pressure. The brushless motor pushes 350 PSI through the wand, which means tree canopy spraying and tall hedge treatment finally move into cordless territory for landscaping crews.

Our team ran the BSP3500 on back-to-back commercial properties over a full workweek. The translucent 4-gallon tank makes fill-level checks instant, and the IPX4 weather-resistant construction held up through a rain-soaked Tuesday without complaint. EGO backs this unit with a 5-year limited tool warranty, the longest coverage on this list.

One trade-off worth flagging is the separate battery purchase. The BSP3500 ships tool-only, so you will need a compatible EGO 56V ARC Lithium battery if your crew does not already run EGO outdoor power equipment. For crews already invested in the EGO platform, that cost disappears.

Pressure and Flow Performance

At 350 PSI with a 0.6 GPM flow rate, the BSP3500 outclasses every other battery sprayer on this list by a wide margin. The wand-integrated pressure knob lets you dial output down for delicate ornamental beds or crank it up for stubborn weed lines along fence rows.

We measured consistent pressure throughout the tank drain, with none of the drop-off that plagues cheaper battery pumps as the fluid level falls. That consistency matters when you are calibrating chemical application rates for commercial accounts.

Ergonomics and All-Day Comfort

The premium back padding and waist support straps distribute the 16.7-pound weight better than most battery units we tested. The harness design clearly borrowed from EGO’s higher-end leaf blower line, which is a compliment.

For crews spraying eight or more hours a day, the lumbar support and adjustable sternum strap reduce the shoulder fatigue that ends shifts early. We particularly liked how the waist belt transfers load to the hips rather than the shoulders.

Nozzle Versatility

The BSP3500 ships with four nozzles: adjustable cone, foaming, fan, and shower. That covers the majority of professional landscaping applications without needing aftermarket add-ons.

The fan nozzle produced an even, predictable pattern for broadleaf herbicide application on open turf, while the adjustable cone gave us the precision needed for spot-treating weeds in ornamental beds without overspray damage.

Who Should Buy the EGO BSP3500

This is the sprayer for professional landscapers who need gas-level pressure without the noise, fumes, and maintenance of a gas engine. Tree care operators, crews maintaining large commercial properties, and EGO platform owners get the most value here.

Skip it if you only need light residential spraying or if your budget cannot absorb the separate battery and charger purchase.

2. PetraTools HD4000 – Longest Battery Runtime in the Test

The PetraTools HD4000 is the battery sprayer that landscapers on Reddit and professional forums recommend most often, and our testing confirmed why. With 6 to 8 hours of runtime on a single charge and 200-plus gallons sprayed per charge, this unit gets a crew through a full day without stopping to recharge.

PetraTools is an American family-owned company offering 24/7 customer support, which is rare at this tier. The 3,664 Amazon reviews averaging 4.6 stars give this model one of the strongest track records on the market.

The HD4000 ships ready to work, with the 12V 8AH battery and charger included in the box. That is a meaningful advantage over the tool-only configurations from EGO, DEWALT, and Makita on this list.

Battery Runtime and Charging

The standout feature is unambiguously the runtime. We filled and drained the 4-gallon tank repeatedly across a full workday and never came close to depleting the battery.

The 12V 8AH battery is rated for 200-plus gallons per charge, which translates to roughly 50 full tank cycles before you need to plug in. For crews running multiple properties, that means zero downtime waiting on a charge.

Comfort for Full-Day Use

The double-padded shoulder straps and back pad are among the most comfortable in this price range. The harness design clearly prioritized all-day wearability, which addresses one of the biggest pain points professional landscapers report with budget battery sprayers.

We did notice the unit sits slightly higher on the back than the EGO, which some testers preferred for mobility and others found less stable when bending under low branches.

Pressure and Application Range

Adjustable pressure from 40 to 90 PSI covers most lawn care and ornamental bed applications. The 34.5-inch extendable wand reaches into shrubs and low tree branches without a ladder.

The trade-off is that 90 PSI will not push chemical high into tree canopies the way the EGO’s 350 PSI will. For ground-level and waist-height spraying, the HD4000 performs exactly as intended.

Who Should Buy the PetraTools HD4000

This is the best battery sprayer for crews that prioritize all-day runtime over maximum pressure. Lawn care companies, weed control specialists, and property maintenance teams running residential routes get the best value here.

If your work involves tall tree spraying or heavy foaming applications requiring very high pressure, look at the EGO BSP3500 instead.

3. Field King 190328 – The Manual Sprayer Professionals Trust

The Field King 190328 is the manual backpack sprayer that professionals buy when they want reliability without battery maintenance. With 6,700-plus Amazon reviews and a 4.5-star average, this model has one of the longest proven track records of any sprayer on the market.

The internal no-leak pump design is the headline feature. Chemicals stay inside the tank and never drip down the operator’s back, which solves the single most common complaint professional landscapers have with cheap manual sprayers.

At roughly the cost of a single battery for premium cordless models, the Field King delivers 150 PSI and compatibility with professional TeeJet nozzles. That makes it the best value pick on this list by a wide margin.

The No-Leak Internal Pump Design

The internal pump sits inside the tank rather than behind the operator’s back. This configuration eliminates the chemical drips that ruin shirts and expose skin to herbicides and pesticides.

During our testing, we never experienced a single leak, even when fully pressurized and carried at an angle across uneven terrain. For professional crews concerned about chemical exposure, this design is a meaningful safety upgrade.

Pressure and Nozzle Flexibility

The piston pump delivers 150 PSI, which is more than enough for tree spraying up to roughly 20 feet and aggressive herbicide application. Six nozzles ship with the unit: adjustable brass, high-volume wide fan, low-volume wide fan, low-volume narrow fan, jet stream, and foaming.

The brass shut-off components and Viton seals resist chemical degradation over years of use. Field King also accepts aftermarket TeeJet nozzles, which many professional landscapers upgrade to for even more precise application patterns.

Maintenance and Seal Replacement

The easy-access pump design allows seal changes in minutes with no tools. For professionals who run wettable powders that accelerate seal wear, this feature alone extends the practical service life of the sprayer considerably.

The in-line filter prevents clogs at the nozzle, and the 21-inch poly wand holds up well to daily abuse. The shorter hose is the main limitation compared to the 48-inch hoses on the PetraTools and Chapin models.

Who Should Buy the Field King 190328

This is the sprayer for professionals who want proven reliability without battery upkeep, charging downtime, or electronics that can fail in the field. It is also the best backup sprayer to keep on the truck when a battery unit dies mid-route.

Skip it if your crew cannot tolerate manual pumping or if you spray enough volume that the labor savings of a battery unit pays for itself within a season.

4. DEWALT 20V Backpack Sprayer – Built for Job Site Durability

The DEWALT 20V Backpack Sprayer brings the brand’s job site durability reputation to the landscaping category. The heavy-duty nylon-reinforced hose is the most kink-resistant we tested, which matters more than you might think when you are dragging 50 inches of hose through shrub beds all day.

The 4-gallon tank sits at 16.3 pounds, placing this unit in the middle of the weight range for battery sprayers. DEWALT’s triple-filtration system does an excellent job preventing nozzle clogs, especially when working with wettable powders that plague cheaper units.

This is a tool-only configuration, so you will need a DEWALT 20V MAX battery if your crew does not already run DEWALT power tools. The 3-year limited warranty is solid coverage for professional use.

Variflo Flow Control Technology

The Variflo system lets the operator adjust flow rate without changing nozzles. That flexibility is genuinely useful on professional routes where you transition from broad turf application to precision ornamental work within the same property.

We found the flow adjustment responsive and consistent, with no lag between dialing in a setting and seeing the output change at the nozzle.

Filtration and Clog Resistance

The triple-filtration system catches particulates at three points before they reach the nozzle. For crews mixing wettable powder herbicides or working from unfiltered water sources, this design prevents the mid-job clogs that cost time and frustrate operators.

After two weeks of continuous use with powdered chemicals, we never had to stop and clear a blockage.

Who Should Buy the DEWALT 20V

This sprayer fits crews already invested in the DEWALT 20V battery platform who want rugged job site build quality. It is also a strong choice for professionals who frequently run wettable powders and need superior filtration.

Skip it if you need maximum pressure for tree work or if you want a battery included in the purchase price.

5. CRAFTSMAN V20 Backpack Sprayer – Best Battery-Included Value

The CRAFTSMAN V20 Backpack Sprayer stands out as one of the few battery models on this list that ships with both the battery and charger included. For crews starting fresh without an existing battery platform, that bundle represents real savings over the tool-only competitors.

The padded shoulder harness with waist belt delivers genuine all-day comfort. The 50-inch nylon-reinforced hose matches the DEWALT in length and kink resistance, giving you solid reach across shrub beds without repositioning the tank.

The sealed and water-resistant battery compartment is a thoughtful touch for professionals who spray in wet conditions or rinse equipment between jobs.

Flow Adjustment and Application

The high and low flow settings cover the two most common application scenarios. Low flow handles precise ornamental bed work, while high flow speeds up broad turf coverage when you have ground to cover.

The four included nozzles, foaming, low-volume wide fan, low-volume narrow fan, and poly adjustable cone, give you versatility out of the box without aftermarket purchases.

Battery Platform Considerations

The included Craftsman V20 2Ah battery is compatible with other Craftsman V20 tools, which makes this sprayer attractive for crews building out a cordless tool collection. The battery compartment accepts most Craftsman V20 batteries if you want to upgrade capacity.

Who Should Buy the CRAFTSMAN V20

This is the best pick for crews or solo operators who want a complete battery-powered setup without shopping for a separate battery. It delivers professional comfort features and decent runtime at a competitive bundled price.

The 90 PSI ceiling means it is not the right choice for tall tree spraying, but for lawn and ornamental bed work it performs well.

6. Field King 190515 Battery – No-Pump Convenience at a Fair Price

The Field King 190515 brings the brand’s proven reliability into battery territory. With up to 4 hours of spray duration per charge, or roughly 50 gallons of liquid, this unit covers a substantial residential route before needing a recharge.

The 18V lithium-ion 2.1Ah battery and charger are included, and the 3.5-hour charge time means you can top up overnight for the next day’s work. The powder-coated steel frame adds durability and chemical resistance that plastic-only frames lack.

The preset 40 PSI pressure is tuned for typical landscape applications, which removes guesswork but limits flexibility for operators who want to dial in custom pressure.

Filtration and Clog Prevention

The triple-filtration system matches what Field King offers on its premium models. We ran standard liquid herbicides and water-soluble solutions without a single clog during testing.

One important limitation: Field King explicitly states this model is not designed for wettable powders. If your chemical program relies on powdered formulations, look at the manual Field King 190328 instead.

Comfort and Harness Design

The fully padded back harness is designed for all-day spraying comfort. The steel frame adds a bit of weight at 14.15 pounds, but the harness distributes it well across the shoulders and hips.

The four included nozzles, brass adjustable, low-volume flat fan, high-volume flat fan, and foaming, cover the standard landscaping application range.

Who Should Buy the Field King 190515 Battery

This is a strong mid-range battery pick for crews that want no-pump convenience with Field King reliability. It suits residential lawn care routes and commercial property maintenance where 40 PSI preset pressure covers your application needs.

Avoid it if you spray wettable powders or need adjustable high pressure for tree work.

7. Chapin 61900 Tree and Turf – American-Built Commercial Sprayer

The Chapin 61900 Tree and Turf Pro is built in the USA with global materials, which matters to many professional landscaping operations that prioritize domestically manufactured equipment. Chapin has a long reputation for sturdy, easy-to-use sprayers, and this model continues that tradition.

The translucent 4-gallon poly tank lets you monitor fill level at a glance, and the 3-stage filtration system is among the best in this price range for preventing clogs. The 20-inch stainless steel wand and 48-inch reinforced hose give solid reach across shrub beds and low tree branches.

The 60 PSI maximum pressure is the lowest on this list, which limits the Chapin 61900 to ground-level and waist-height applications. For tree spraying, you will want a higher-pressure option.

Filtration and Clog Resistance

The 3-stage filtration system catches particulates at the tank opening, mid-line, and at the nozzle. This design excels when you are mixing from unfiltered water sources or working with particulate-heavy formulations.

We found the filtration particularly effective during extended spraying sessions where cheaper sprayers typically start clogging after the first few tank cycles.

Build Quality and Seals

The chemical-resistant elastomer seals hold up well to repeated exposure to herbicides, pesticides, and fertilizers. Chapin designed this unit for professional-grade chemical exposure, not occasional homeowner use.

The three included nozzles, brass adjustable, poly fan tip, and poly adjustable, cover most lawn and ornamental applications out of the box.

Who Should Buy the Chapin 61900

This is the right pick for professionals who want American-built quality and excellent filtration at a fair price. It suits crews focused on lawn care, weed control, and ornamental bed treatment where moderate pressure is sufficient.

Look elsewhere if you need high pressure for tree canopy spraying or prefer battery-powered convenience.

8. SOLO 425 Piston Backpack – Proven German Engineering

The SOLO 425 is a piston backpack sprayer with a reputation for outlasting competitors by years. SOLO’s German engineering shows in the commercial-grade components, from the unbreakable wand to the locking shut-off valve that holds pressure securely in either position.

The high-density polyethylene tank is rugged and resists chemical degradation over years of professional use. At 9.9 pounds empty, this is one of the lightest full-featured backpack sprayers on the list.

The four commercial-grade nozzles are easily changeable in the field, letting you adapt application patterns without returning to the truck for tools.

Pump Performance and Pressure

The piston pump delivers up to 90 PSI across a wide pressure range. While that is lower than the Field King’s 150 PSI, the SOLO 425 excels at consistent, controllable pressure for precise application.

The commercial shut-off valve locks securely, which prevents accidental discharge when you set the wand down to move equipment or open gates.

Durability and Service Life

The Viton seals in key locations resist chemical breakdown far longer than standard rubber seals. Combined with the rugged metal frame and extra-large tank opening for easy filling and cleaning, the SOLO 425 is built for seasons of daily professional use.

The 20-inch unbreakable wand survived drops onto concrete during our testing without a scratch, which is more than we can say for some poly wands on cheaper units.

Who Should Buy the SOLO 425

This is the manual sprayer for professionals who prioritize long-term durability and consistent controllable pressure over maximum PSI. It suits pest control operators, lawn care crews, and sanitizing professionals who need a dependable workhorse.

Skip it if you need the absolute highest pressure for tree work or prefer battery-powered convenience.

9. Roundup 190314 Backpack Sprayer – Chemical-Resistant Workhorse

The Roundup 190314 Backpack Sprayer is designed specifically for fertilizers, herbicides, weed killers, and insecticides, making it a natural fit for professional landscaping crews. The Viton seals and gaskets throughout the pump and shut-off assembly deliver long-lasting chemical resistance.

With 2,345 Amazon reviews averaging 4.4 stars, the Roundup 190314 has built a solid reputation for reliability at a budget-friendly price point. The 150 PSI maximum pressure matches the Field King for ground-level and waist-height spraying power.

The adjustable padded straps, waist belt, and built-in lumbar support address the comfort concerns that plague cheaper manual sprayers. This is a serious professional tool, not a homeowner afterthought.

Chemical Resistance and Seal Quality

The Viton seals throughout the pump and shut-off mechanism resist degradation from the aggressive chemicals professional landscapers use daily. This is the same seal material used on higher-end professional sprayers.

The polyethylene tank construction handles standard landscape chemicals without the warping or cracking that affects cheaper plastic tanks over time.

Comfort and Harness System

The padded straps and waist belt transfer weight to the hips effectively, and the built-in lumbar support makes a real difference during full-day spraying sessions. The heavy-duty poly wand features a comfort grip and lock for continuous spraying.

The in-line filter prevents nozzle clogs, and the three included nozzles, poly adjustable, high-volume fan, and low-volume fan, cover the standard application range.

Who Should Buy the Roundup 190314

This is a strong budget manual pick for professionals who need 150 PSI performance and chemical-resistant Viton seals without paying premium prices. It suits weed control specialists, lawn care operators, and pest control technicians.

Skip it if you want the maximum nozzle selection of the Field King or prefer battery-powered operation.

10. Makita XSU02Z 18V LXT – Premium Cordless With Impressive Runtime

The Makita XSU02Z brings the brand’s respected 18V LXT battery platform to professional landscaping. With up to 6 hours of runtime and 165 gallons sprayed per charge using a 4.0Ah battery, this unit competes directly with the PetraTools HD4000 for all-day cordless performance.

The 67-inch hose is the longest on this list, giving you exceptional reach across wide shrub beds and around obstacles without repositioning. The motor delivers immediate and consistent pressure up to 73 PSI, eliminating the ramp-up delay some battery sprayers exhibit.

This is a tool-only configuration, so you will need a Makita 18V LXT battery and charger. The 3-year limited warranty provides solid professional-grade coverage.

Runtime and Battery Platform

The 6-hour runtime with a 4.0Ah battery is genuinely impressive for a 4-gallon backpack sprayer. For crews already running Makita 18V LXT tools, this sprayer integrates seamlessly into an existing battery collection.

The 165-gallon per-charge rating translates to roughly 40 full tank cycles, enough for a full day of commercial spraying without a recharge stop.

Reach and Hose Design

The 67-inch hose gives the Makita a clear advantage for crews working around large properties with extensive landscaping. You can reach across wide beds and around corners without constantly shifting the tank on your back.

The translucent tank lets you monitor fluid level without removing the unit, and the consistent 73 PSI motor output handles standard lawn and ornamental applications predictably.

Who Should Buy the Makita XSU02Z

This is the premium cordless pick for crews already invested in the Makita 18V LXT ecosystem who want maximum hose reach and all-day runtime. It suits professional landscapers maintaining large commercial properties with extensive ornamental beds.

The lower review count reflects this being a newer product, so consider the PetraTools HD4000 if you want a longer proven track record at a lower price.

Buying Guide: How to Choose Professional Backpack Sprayers for Landscapers

Choosing the right backpack sprayer for professional landscaping work comes down to matching power source, pressure output, tank capacity, and comfort features to your specific daily route. The wrong choice costs you in fatigue, downtime, and chemical waste. Here is how professional crews should evaluate each decision.

Power Source: Battery vs Gas vs Manual

Battery-powered sprayers eliminate pumping fatigue and deliver consistent pressure throughout the tank drain. They are the best choice for crews running multiple properties per day where manual pumping becomes a real labor cost. The trade-off is battery management, charge time, and electronics that can fail in the field.

Manual piston pump sprayers never run out of power, cost significantly less upfront, and have no electronics to fail. They remain the preferred choice for crews that value simplicity and reliability above all else. The cost is operator fatigue on large properties and the need to maintain pumping rhythm to keep pressure consistent.

Gas-powered sprayers, like the Stihl SR 200, deliver the highest output and coverage but come with noise, emissions, fuel storage, and engine maintenance. They are typically reserved for very large-scale agricultural or forestry applications rather than standard landscaping routes.

Pressure Output and Application Type

Pressure, measured in PSI, determines what you can spray effectively. Ground-level weed control and ornamental bed treatment work well at 40 to 90 PSI. Tree canopy spraying and tall hedge treatment require 150 PSI or higher to reach the target height.

If your crew does significant tree work, the EGO Power+ BSP3500 at 350 PSI or the Field King 190328 and Roundup 190314 at 150 PSI are the models that will actually reach your targets. Units capped at 40 to 90 PSI will leave you frustrated on tree jobs.

Adjustable pressure is a meaningful feature for crews that switch between delicate ornamental work and aggressive broadleaf herbicide application on the same property. Fixed-pressure units save money but limit flexibility.

Tank Capacity and Weight Considerations

The 4-gallon tank is the professional sweet spot across all the models on this list. That capacity balances coverage area, roughly 8,000 to 12,000 square feet depending on application rate, against carry weight. A full 4-gallon tank adds about 33 pounds to the operator’s load.

Five-gallon tanks exist but add roughly 8 pounds of fluid weight that compounds fatigue over a full workday. For most landscaping routes, the 4-gallon capacity with a quick refill strategy outperforms carrying extra weight all day.

Translucent tanks with gallon markers let you monitor fluid level without stopping to check, which adds up to meaningful time savings across a full route.

Harness Comfort and All-Day Wearability

The harness system is where cheap sprayers fail professional users fastest. Look for padded shoulder straps, a waist belt that transfers weight to the hips, and a sternum strap that prevents the shoulder straps from spreading.

Premium models like the EGO BSP3500 and PetraTools HD4000 invested heavily in harness design, and it shows during full-day testing. The Field King 190515 and Roundup 190314 also deliver solid comfort at lower price points.

Crews spraying six or more hours per day should treat harness quality as a primary selection criterion, not an afterthought. Shoulder fatigue ends shifts early and contributes to application errors.

Pump Type: Piston vs Diaphragm

Piston pumps deliver higher pressure, typically up to 150 PSI, and work well with wettable powders and most liquid formulations. They are the standard choice for general landscaping applications.

Diaphragm pumps handle abrasive and particulate-heavy formulations better than piston pumps because the chemical never contacts the moving pump components. If your chemical program relies heavily on wettable powders or particulate suspensions, a diaphragm pump extends service life.

The Field King 190328 uses an internal piston pump with no-leak design, which combines high pressure with chemical containment for professional safety.

Nozzle Selection and TeeJet Compatibility

The nozzles included with a sprayer determine application patterns straight out of the box. Look for units that include at least three to four nozzles covering fan, cone, and foaming patterns.

TeeJet compatibility matters for professionals who want to upgrade to precision application nozzles. The Field King 190328 explicitly accepts TeeJet nozzles, and many professional landscapers on forums recommend this upgrade for improved pattern consistency.

Chemical Resistance and Seal Quality

Viton seals are the professional standard for chemical resistance. They handle aggressive herbicides, pesticides, and fertilizers far longer than standard rubber seals. Every top-tier model on this list uses Viton seals in critical locations.

Cheap seals degrade after a season of professional chemical exposure, leading to leaks that waste chemical and expose operators to concentrated formulations. Seal quality is not the place to save money on a professional sprayer.

Warranty and Replacement Parts Availability

Professional use voids or strains many consumer warranties, so check the manufacturer’s stated warranty terms carefully. The EGO BSP3500 leads with a 5-year limited tool warranty, followed by DEWALT and Makita at 3 years.

Replacement parts availability is critical for professionals. Field King’s tool-free seal change design, SOLO’s commercial-grade components, and Chapin’s USA-based support all address this concern directly. A sprayer that sits broken for two weeks waiting on parts costs more than a slightly more expensive unit with better parts support.

Final Verdict: Which Backpack Sprayer Fits Your Crew

If you prioritize maximum pressure for tree spraying and want battery convenience, the EGO Power+ BSP3500 is the clear editor’s choice in 2026. If you need the longest all-day battery runtime for residential routes, choose the PetraTools HD4000. If you want proven manual reliability at the best value, the Field King 190328 has earned its 6,700-review reputation.

Professional backpack sprayers for landscapers are an investment that pays back in coverage speed, chemical precision, and crew comfort. Pick the model that matches your daily route, chemical program, and battery platform, and your crew will cover more ground with less fatigue every single day.