Comparison, updated 2026-11-14

SpraySticks vs F9 BARC for professional concrete rust removal

Short answer: F9 BARC is the established pro concentrate, trusted by pressure washing crews and sold through restoration suppliers. SpraySticks Pro Pail pods cost less per finished gallon than F9 BARC at most listed prices and ship dry, but F9 BARC wins on pro reputation, supplier support and fit for crews already built around liquid concentrate.

Who each product is built for

F9 BARC is a contractor product from Front 9 Restoration. It is sold through pressure washing and surface restoration suppliers, and it sits in a wider line of restoration chemicals that many crews stock together. The customer is a business that cleans concrete every day: irrigation stains along commercial walks, fertilizer rust on new subdivisions, battery stains in parking garages. That pro focus shows in how it is packaged and priced.

SpraySticks started on the homeowner side with spray bottle sticks, and added gallon pods for pump-up and backpack sprayers. The Pro Pail, 24 gallons of heavy strength pods, is the bridge to the pro customer: same measured dose, packed for volume. This page is for the contractor or serious property manager deciding between the two.

Cost per finished gallon

Prices are retailer listings from pro supply sites checked in November 2026. They change, and many pros get account pricing below list.

The gap is real but not the whole story. A crew that gets F9 BARC at account pricing, or that uses it through a downstream injector to cover a lot of flatwork fast, may see different numbers. For a broader view, see the rust remover cost per gallon comparison.

Rig setup and workflow

Most pros apply rust remover one of three ways: a pump-up sprayer for spot work, a backpack sprayer for long runs of curb and wall, or a batch tank with a pump for big slabs. Concentrate fits all three, and it fits downstream injection on a pressure washer, which is a real advantage for crews built that way.

Pods fit the first three. Fill the sprayer or batch tank with a known number of gallons, drop in that many pods for heavy stains, and give them time to dissolve fully before spraying. There is no graduated cylinder and no concentrate jug to slosh on the truck floor. For a new hire, counting pods is harder to get wrong than measuring ounces. Our pump and backpack sprayer guide covers tank prep, flushing and parts that hold up.

Freight and truck space

Every gallon of liquid concentrate on a pallet is weight and regulated freight. For a shop that buys in volume from a local supplier, that cost is spread out and hardly noticed. For an owner-operator ordering online, or a crew working far from a supply house, it adds up. A Pro Pail carries 24 gallons of heavy mix with no water in it, and a sealed pail stacks neatly on a shelf or in a trailer.

Stains pros see most

Irrigation bands on curbs and building walls, fertilizer speckle across new concrete, rust rings from planters and patio furniture, and runoff from rusty railings and downspout brackets. Our concrete, pavers and pool deck guide lists dwell times by surface, and the irrigation rust stain guide covers the sprinkler side, including what to tell the customer so the stain does not come back next month. Many crews also get asked about siding while on site, covered in the vinyl siding guide.

Quoting the job

Whatever you spray, price rust work by the square foot and the number of passes, not by the gallon. Old irrigation bands often need two applications, and fertilizer speckle can need a brush pass on every spot. Knowing your true cost per finished gallon, plus the time to mix it, makes those quotes easier to get right and easier to repeat across a crew.

Where F9 BARC wins

• Pro reputation. Customers and other contractors know the name. That counts when you are bidding work.
• Supplier support. It is stocked at pressure washing supply houses, with staff who can answer questions in person.
• Injection workflow. Liquid concentrate drops into downstream injection setups crews already run.
• A full system. Crews who use other products in the same line can keep one supplier and one process.
• Track record. Years of use on commercial flatwork. We are new, and we say so.

Where SpraySticks wins

• Lower cost per finished gallon at most listed prices, especially at the lighter strength.
• No measuring. Pods set the strength, which keeps results consistent across a crew.
• Dry freight. No water shipped, and no liquid jugs to tip over in the truck.
• Color check. The Home line turns the water green, so a mixed tank is easy to tell apart from a rinse tank or a different chemical.
• Retail resale. Spray bottle sticks are something a contractor can leave with a homeowner for touch-ups between visits.

Crew safety and job site rules

Same compound as spinach. Way less friendly than a salad.

Both products are corrosive cleaners. Crews need chemical-resistant gloves, sealed goggles and long sleeves, and the safety data sheet should ride in the truck. Pre-wet landscaping and rinse it hard afterward. Keep runoff away from pools, storm drains and ponds where you can. Test a spot on every new slab, since some concrete lightens and fresh concrete should not be treated until it has cured. Never mix rust remover with bleach, soft wash mix or any other chemical in the same tank, and flush the tank between products. Do not use it on marble, limestone, travertine or coquina. Our SDS page has the full sheet.

Making the call

If your crew runs downstream injection, buys at account pricing and already trusts F9 BARC, there is little reason to switch everything. Many crews will find it useful to keep a Pro Pail for hand-sprayed work and backpack runs, where pods save measuring and freight. Owner-operators and property managers who buy online will usually see the biggest savings. See the Pro Pail and other sizes on the shop page, and compare consumer options in SpraySticks vs RustAid and the best rust stain removers by job.

Spinach check: SpraySticks shares a compound with spinach. That does not make it food or gentle. Gloves, eye protection, keep kids and pets away, never mix with bleach, and read the SDS.

Common questions

How much does F9 BARC cost per finished gallon?

F9 BARC is sold as a 1 gallon concentrate that makes up to 3 gallons of spray. When we checked pro supply listings in November 2026, including Clean.Direct, the gallon ranged from $47.50 to $74.65. At the full 3 gallon yield, that works out to roughly $16 to $25 per finished gallon. Stronger mixes for heavy stains cost more per gallon, since the concentrate stretches less.

Is SpraySticks made for pressure washing contractors?

The Pro Pail is. It holds pods for 24 gallons at heavy strength, priced at $249, or about $10.38 per finished gallon, and stretches to about 36 gallons at the lighter strength. Contractors drop pods into a pump-up sprayer, backpack sprayer or batch tank instead of measuring concentrate. Many pros will still keep a liquid concentrate on the truck for downstream injection and use pods for hand application.

Can I run pods through a downstream injector?

Pods are designed to dissolve in a measured amount of water in a tank, so the strength is set by how many pods go into how many gallons. Mix in a separate plastic tank first and make sure everything has dissolved before you draw from it. Rinse the injector, hose and wand with clean water after every job, since rust removers are hard on metal fittings.

Why do contractors trust F9 BARC?

F9 BARC comes from Front 9 Restoration and is sold through pressure washing and restoration suppliers, so it is built around a pro customer from the start. It has a long track record on driveways and commercial flatwork, a training and support culture around the wider F9 line, and many crews already have their process dialed in with it. That reputation is earned and worth weighing.