how to apply ospho to pipe fence

I originally thought the two accomplished the same end result. A. Hi Jim. Apply a Rust remover and . Ospho Metal Treatment: Pure Metal Cleaning Magic! What should you do if you get Ospho in your eyes? DEPENDING ON TEMPERATURE AND HUMIDITY. If appearance is important, apply a singe coat of Ospho and let stand for 30 minutes or until metal is etched. 2. my question is do I need to paint over the primer ? We're mulling over the best way to treat/paint the pipe. It kills the rust & etches metal for good adhesion. Applying the new coat of ospho "reactivates . All information presented is for general reference and does not represent a professional opinion nor the policy of an author's employer. For those of you who are not familiar with it, OSPHO is a balanced formula of Phosphoric Acid, Dichromates, Wetting Agents, and Extenders. I'm concerned about rust treatment and priming for the galvanized fittings. down with Mineral Spirits before You may want to go into a Sherwin Williams and tell them to "sell you on" the best paint and why it is so good. Should degrease as a first step, and then use Ospho as the next step, and then wash and dry? Ospho - YouTube 0:00 / 4:01 Amazing Rust Killer! Product Approvals. "Apply Ospho As needed and leave it on as long as you like. A paint job will last longer after an application of OSPHO because the paint securely attaches to the surface, so corrosion-producing moisture and oxygen cannot gain access to the metal. If you do a search on "Neutralizing Ospho" you will find it right away. Fast Freeze, Out-of-Position Pipe Welding, Mild Steel and Low Alloy Steel Stick Electrodes Fleetweld 5P E6010 DC+ Fleetweld 5P is a great choice for welding on dirty, rusty, greasy or painted steel -- especially in vertical or overhead applications. Tannins are a group of water- and alcohol-soluble natural products . A. HOW OSPHO WORKS. There is very little metal rot on the vehicle, with the exception of the trunk's floor pan, (which I will be either replacing or repairing). For Pro's and DIY'ers, Klean-Strip is the leading brand of solvents, thinners, removers, and cleaners that are dependable for reliable results. Below the waterline the boat has been replated at some point --because of this the steel hasn't enjoyed the same level of protection as the rest of the steel on the boat. consistency of water and treats up to 600 square feet per gallon. Feedlots and ranches (corrals) often use oilfield tubing and sucker rods for heavy fencing. the "epoxy" will help prevent moisture from getting to the metal. How did you prepare the surface prior to the ospho? 5. Wipe a good coating on any tools or hardware and let it dry for about 24-48 hours. ECO-FRIENDLY ALTERNATIVE TO SANDBLASTING. 2. The first step is to clean off loose rust and flaking paint and then apply a rust-inhibitive primer. stand for approximately 30 minutes or until metal is etsched, then flush I cannot recommend Bob and his gang highly enough. A. Hi Richard. Good surface preparation will enable the Rust Converter to work effectively and leads to a high quality end result. These are the tips I can offer. OSPHO seals out moisture and prevents future rust from forming. When applied to rusted surfaces, it resists/retards rust in chemical change on drying to a tough, hard surface ready for priming. If liquid comes in . is easily effective for exterior and interior work alike. Will this work ? "The leftist is driven by something other than facts and can't be cured.". link to info/product on Amazon] after the Ospho. Going through all of that you might ought to consider hiring a mobile sandblaster to blast the pipe. The stiff welded structure can be dangerous to a spooked horse that collides with the fence. You may or may not need to prime the surface depending on the type of paint you choose. The whole trick to painting on metal with an oil based paint is to be sure that the surface is Clean with a capital C. This not only means grease and dirt but also water. Using 1/2 cup of trisodium phosphate in a gallon of water will not only remove the powder, it will etch the metal . Never paint raw new pipe. As far as I can see, it's intended to be applied directly to worn galvanized areas as well as bare steel. Want to spray on Crown Cold Galvanizing Coating, which is 93% zinc by weight. When you want to remove it, apply a thin layer of ospho over the area you already applied it to, let sit for 5-10 minutes, then wipe off with soapy water (I used dawn). Although the Rust-o-leum product you applied may have been dried to the touch which most coatings are, it may have not been fully cured. I have had a hood in bare metal for over two years with no powder and no residue. Over time, constant use as a handrail can wear through the coating and the railing will . For the life of me I cant Rember the name, but I'll get it and be back.. We apply ospho and let dry, the following day we reapply another coat and wipe it down with water (damp rag) while the ospho is still wet. Wash the vehicle with copious amounts of water and commercial grade sodium bicarbonate. If you spray it on and let it dry you will not only create a metal seal but you also get a white powder on the surface. I coated it with Ospho yesterday, you can see how the color of the metal has changed. Austin Ross 63K views 8 months ago. What should you do if you accidentally swallow Ospho? Register Interest >> 2 Storey Terrace House Cyberjaya After several minutes go back to where you started and wipe any excess stain or drips . subsequent paint coatings attach themselves so tightly that moisture and Q. I built a piece of equipment using regular mild steel plate and standard structural angles and square tubing. Thanks for any advice. Take a garden hose, step away from the object, and rinse it with water. Brush head bristles, or filament, can be made from a variety of materials. It is difficult to remove all the paint with the drill and steel brush. . contains phosphoric acid. Now that you know how to apply Ospho you can use this information to protect your metal surfaces from rust. Q. I bought the Ospho product. What type of prep do I need to do to the door beforehand (sandingcleaning)? My wood french doors stick badly when it is rainy (which is. I don't think sanding is necessary but brushing with a wet scrub brush is probably a good idea. Then simply apply. I would like to apply one coat of primer and that's all. 7018 Welding Rod. Ask anyone in the automotive refinish business (Body shop) if you can remove rust with phosphoric acid and then prime directly over it. Ospho can be a big help getting the steel extra clean and keeping the bare metal from rusting until its primed,it leaves a protective primer coat when it drys.This hood had very little rust at all but I'm doing this outside so as soon as I got it stripped, sanded and cleaned I applied the ospho because I couldn't immediately prime the steel . Make sure the acid doesn't get onto your skin. If you go this route treat the pipe after grinder cleaning with Ospho before coating with the Rust Oleum Aluminum paint. What brand and type of paint is the best? If you are looking to treat rust on your metal surfaces then you may have heard of a product called Ospho. Pictures of what the stove looks like currently: So far I've run the cup brush on a 1500 rpm drill (the fastest that I have) and I've managed to remove rust and paint from the stove. Let the metal get hot in the oven. Anything steel that is treated with ANY product containing phosphoric acid MUST be neutralized before any primer or paint can be applied. This rod has low hydrogen potassium or iron powder coating. And it's virtually maintenance free, livestock-friendly, and versatile. A roller brush is the most effective way to apply an even coat of paint to a pipe fence, and it will save time as well. Prolonged exposure to skin may cause irritation - use rubber gloves A. Hi Jennifer. Pipe set in solid rock are set 3' deep in concrete with a hole diameter of 4" to 9". The product also helps protect against future corrosion on bare metal using its proprietary formula with zinc . RICK PATEK - OLYMPIA, Washington Let dry 24 hours. how to apply ospho to pipe fence. Hobo. Here are my favorite non water-based options. Any thoughts are appreciated. HOW SKYCO OSPHO WORKS When applied to rusted surfaces, it resists/retards rust in chemical change on drying to a tough, hard surface ready for priming. Sorry but your question seems awfully vague :-), Closely related postings, oldest first , Ospho Rust Converter Applying the new coat of ospho "reactivates it" and allows you to remove it. results, use OSPHO at temperatures no lower than 36. Brush off any loose powder and wipe down with Mineral Spirits before painting. Use oxygenated bleach on a wood fence. Prime and then paint with a Rustoleum metal primer and paint, respectively. Merely remove loose paint and rust scale, dirt, oil, grease and other accumulations with a wire brush. If liquid comes in Long story short this fence guy (I was going to call him a jackass but that's an insult to all of the donkeys out there) bought old drill stem pipe for the rails, at least the posts were new steel. To complete the rust repair, apply a thin . Since all pieces are welded together, the thermal stresses will cause them to crack and corrode. A check should be made by testing OSPHO on a small area. You can scratch off most coatings even after a 4-5 day time frame, after 30 days you should not be able too. Removing surface rust. It does not rotate and is usually cooler than drill pipe and less apt to be as heavily . watch out, some of that pipe can be fairly radioactive. 48 hours later the paint could be easily peeled off with the back of a fingernail! Ospho is phosphoric acid & is meant to dry on the metal. See more ideas about pipe fence, fence, farm fence. since I was gonna paint it Red, and the primer is Red . Water-thin, covers a larger area than paint and goes on easily. Is one of these products superior to the other? RUSTED METALS - Product approvals are typically required for PVC fences. Disclaimer: It's not possible to fully diagnose a finishing problem or the hazards of an operation via these pages. One says not to use etching primer over Ospho treated surfaces. When applied to rusted surfaces, What kind of primer can I use after Ospho? Pipe may also be driven in mixed soils to a minimum depth of 6'. Then, after washing and drying the area I intended on using a coal tar epoxy. There are coatings I will be using, (I use primarily Eastwood coatings), on the vehicle's "hidden" areas that are designed to cure over metal with a phosphoric residue. I'm building a pipe corral and fence with horse wire attached. The oil forces water out of the surface and eventually dries to a thin soft coating. Any help on this would be really appreciated. So Ospho is a great product, but must be used carefully. Most paints, even epoxies, have a 30 day full cure time. Once the Ospho is mixed you can begin applying it to the metal surface with a brush. or other forms of skin protection. protect before Iron Oxide is present. is a balanced formula of Phosphoric Acid, Dichromates, Wetting Agents and Sandblasting is not something that has to be done and as long as you remove the lose rust and loose coatings that dtm will do wonders for years. It can save you thousands of dollars in maintenance and repair costs. This helps protect the fence against corrosion and provides a better surface for the paint to adhere to. REAPPLY AS NECESSARY WAIT FOR THE SURFACE TO DRY THEN APPLY PRIMER AND OR PAINT. Answer 15: Ospho is safe to use when used as directed. LIABILITY for damage to finished surfaces. If pipe is left open, water will rust the pipe off at ground level. OSPHO Paint jobs will last longer after an application of OSPHO. 11-29-2004, 04:03 PM. A. Apply a thin coat with a brush or roller. KEEP OUT OF REACH OF CHILDREN. a thin coat of OSPHO as it comes pre-diluted in the container. I have cleaned up the rust areas and applied Ospho and power washed to remove residual Ospho and loose white dust. Let it get a light rust before you paint. I've painted about 500 miles of fence in my life and we always used cheap exterior and a mitt. how to apply ospho to pipe fence how to apply ospho to pipe fence how to apply ospho to pipe fence https://crabbsattorneys.com/wp-content/themes/nichely3/images/empty . . 3. If it is suggested I remove all paint, Can anyone suggest a quick and affordable way to remove paint without an excessive expenditure of tools? I want to know do I need to completely remove the paint from the stove to apply the Ospho and the rustoleum? rancher1953 8:00p, 9/21/17 Is there any product that will waterproof the sand read more. Take your time to cover the entire surface. Q. I want to paint an exposed up the wall and over the roof gas line installed about 6 months ago. This pipe has salts and other chemicals inside it used in the oil field. I posted a message earlier and received some excellent advice on building a pipe fence, but I forgot to ask one question regarding paint. The first ingredient, tannic acid, reacts with iron oxide (rust) and chemically converts it to iron tannate, a dark-colored stable material. THIS SHOULD TAKE BETWEEN 20-60 MINUTES. 1. masonary and stone work as it will etch/bleach almost immediately. If the pipes you want to paint have been in place for over a year, the oil has probably worn off, and the zinc has begun to react with air, which leaves a powdery, whitish residue. Did you notice anything unusual about the application (crawling paint, fisheyes, sheeting, etc.)? You don't need to get down to bare, shiny metaljust clean off the flakes and powdery surface rust that prevent paint from adhering. Now 6 months later,bodywork complete, reading different paint instructions am really ,confused. Trial only available to users who have never subscribed or participated in a previous trial. Paint adhesion is usually better over slightly acid residues than over alkaline residues such as sodium bicarbonate. OSPHO is a rust-inhibiting coating. Make sure new metal is clean and free of oils or grease before applying Ospho. A dry, powdery, grayish-white surface usually develops when cured. The iron phosphate result is over 90% as strong as the original metal. A. Hi John. The stain will incidentally be sprayed through the board gaps and settle on the other side. How long does Ospho take to work? has anyone done this before? Anything with a phosphorus treatment that will give it a layer of iron phosphate on the outside will help with rust, though it won't completely prevent it. To avoid flash rusting Oct 4, 2011. Link Answer 3: You can apply Ospho with a brush roller or pump sprayer. Rust converter and Ospho are pretty much the same thing, so I say use just one or the other. Put the metal on to a metal baking sheet. Recently purchased property that has a nice pipe entry, previous owner built it about 2 years back and never painted it. Black bubbly areas are typical signs of over wetting, and are commonly soft and tacky. OSPHO Today I treated both my fenders on my galvanized boat trailer with ospho. THIS SHOULD TAKE BETWEEN 20-60 MINUTES. Instead I have began the exact process you described. off with water, avoiding damage to adjacent areas. A dry, powdery, grayish white surface usually develops. Synthetic paint brushes offer more versatility and can be used with all paint types. A CHEMICAL REACTION OCCURS TURNING THE OSPHO BLACK IN COLOR. If you have use scaly rust, brush or scrape it away. THIS SHOULD TAKE BETWEEN 20-60 MINUTES. Directions for Use Data how to apply ospho to pipe fence How to Repair or Remove a Broken, Rusted, or Bent . 20 Replies | When you are ready to neutralize the dry Ospho apply one more coast of Ospho over the area to be neutralized and let set for 5 Minutes. A. I applied Ospho to a few different old rusty truck parts and it stuck really well but you have to let it dry at least 48 hrs -- it has to be really really dry. Affil. painting. There is a chemical stripper that works quite well. Heat the metal up to about 85 degrees so that moisture does not want to collect on the surface. Sprayed ospho out of a spray bottle , waited about 4 hrs till it was . If you use ospho on the outside don't forget to nuetralize it before painting. 01-14-2008, 04:04 PM. It can be purchased just about anywhere that cans of spray paint are available. PPg's recommendations- wire brush rusted areas,apply ospho,waited 48 hrs & DA or wire brush the residue off,apply epoxy primer (ppg's DP),wait 1 hr & apply bondo. The hull is in exceptional condition for her age; however, I do have a slight issue that I want to sort in the best way possible. We wiped it down with paint thinner and then sprayed it with a DTM enamel and the next day a white powder started showing through. Oilfield fence pipe is the strongest, longest-lasting fence type available. We generally rinse it off with water prior to it's drying completely. Flakes of rust will be on the ground under the fence the day after you apply it. It is all bare metal that the dipping company coats with Ospho for rust protection until primer is applied. Used pipe will never hold paint no matter what anyone says. A CHEMICAL REACTION OCCURS TURNING THE OSPHO BLACK IN COLOR. Answer 4: Ospho begins working immediately. Go to his section on how to buy pipe and learn. I'm advised that the Ospho treated surface won't take a 2 part epoxy paint primer. I have75 acres of it around my ranch. humidity and over-application of product. I would like to receive news and special offers. Dry with compressed air. Abe Books Still leaves a haze, which takes paint well. No matter what the material, it's hard to apply a proper coat of paint if you're brushing over bits and particles. When you want to remove it, apply a thin layer of ospho over the area you already applied it to, let sit for 5-10 minutes, then wipe off with soapy water (I used dawn). RINSE WITH FRESH WATER. The product also helps protect against future corrosion on bare metal using its proprietary formula with zinc . Supplies for applying Ospho: red scuff pads, rubber gloves, paper shop towels, and a quart of Ospho. To neutralize the Ospho MUST be wet, so if dry, re-wet with itself and let set one or two minutes and with a clean rag and water, wipe off like washing the car and then dry. http://homesteadadvisor.com/Properly painting a pipe fence (or any rusty metal surface) will require that the correct steps are followed. matt hasselbeck high school. Here is how the fence crews I've seen paint their pipe fences. A METAL TREATMENT-NOT A PAINT RESISTS/RETARDS RUST-PROVIDES A SOUND BASE FOR PAINT Directions for use For Application Questions Not Answered Here Call Factory Direct at: 216-771-1590 OSPHO is a balanced formula of Phosphoric Acid, Dichromates, Wetting Agents and Extenders.Ospho is environmentally safe and non-flammable.OSPHO seals out moisture and prevents future rust from forming. This is normal and is not a cause for concern. The Ospho instructions suggest that the best appearance on galvanized metal can be obtained by rinsing or wiping it off after a half hour, but that it should also function fine if dried in place for a day. Your purchases make finishing.com possible. Once the Ospho is cured you will notice a blackened finish on the metal surface. 1. por 15 works very well and goes a long way but is pricy it is 7.00 for a half pint or 180.00 a gallon. Our top pick is the Wooster brush pipe painter, and we will tell you why below. OSPHO Now that I've found the Ospho, I'm not sure how to proceed. Use as needed and apply as many times as needed to get the spot clean , let dry and leave for months if you want, don't matter. The surface has a light coating of rust all over. If appearance is important, apply a singe coat of Ospho and let stand for 30 minutes or until metal is etched. Building pipe fence - Pinterest The need for a unique paint to coat pipe fencing was developed to enhance the application of a "paint-mitt". let dry, then paint. link to info/product on Amazon] SHOULD GO ON A CREAMY WHITE. or peeling may occur in some finishes. Pipe was about 2.5 inches diameter for the lines, about 4ish for the corners. Q. I am a chemical engineer working in the field of paints. If standard metal, you must neutralize the Ospho with Baking Soda or ammonia. WEATHER RESISTANCE Equally effective for . Remove the metal from the oven and take it to a ventilated area. Dry with compressed air. Whatever you do,if you hire the young neighbor girls to paint for you wearing bikinis you will get . Ospho.com/directions.htm says "A dry, powdery, grayish-white surface usually develops; this is normal - brush off any loose powder before paint application." After doing this, apply a coat of Ospho and let it dry (overnight). RINSE WITH FRESH WATER. Use a pump spray bottle to apply Ospho liberally. My wood french doors stick badly when it is rainy (which is most of the time). Paint can be applied directly over the dried ospho, but CCGC is not paint. A. Hope this helps with your projects. Answer 6: Wash it off immediately with soap and water. Best paint & application method for pipe fence. Help please! Flush Merely remove loose paint and rust scale, dirt, oil, grease and other accumulations with a wire brush or pressure washer and let dry - apply a thin coat of OSPHO as it comes pre-diluted in the container. May 21, 2021. pipe steel - SKYCO OSPHO 1275 Metal Treatment-Rust Converter 1 GAL. Is your fence all steel pipe or is it galvanized? Remove the metal from the oven and take it to a ventilated area. Where rust is exceedingly heavy, two coats of OSPHO may be necessary. Ospho is environmentally safe and Where rust is exceedingly heavy, two coats of OSPHO may be necessary. Let dry 24 hours. The acidity of the vinegar will react with the metal, treating the surface to promote paint adhesion. Iron Railings, Sheet Metal, Outside Tanks, Lawn & Farm Equipment, Marin works best if you can keep a bit of paint . OSPHO is recommended to thoroughly coat and etch the metal. or Any other suggestions please. Get notified about exclusive offers every week! The OSPHO dries to a tough, hard, rust-resistant - surface ready for priming and painting. It is a sectioned door with a white powder coating(?) Q. I have used OPSHO for years. Once the patch is firmly in place, remove the plastic. Put it on thick. From there you can opt to paint it yourself or have them do it for you. I've got the rust knocked down with sanding pads and the welds have been gone over with a wire wheel. Clean the Object With Water. We could not paint the following day but painted the next day (48 hours later) . Let dry overnight for a minimum of 24 hours, then The roofing supply house recommended the Ospho pretreatment for the first phase of this job. CLEANING AND ETCHING METAL - 3. Answer 10: Store Ospho in a cool dry place. A dry, powdery, grayish-white Your purchases make finishing.com possible. I am a fair welder with some (little) expierence in vertical and overhead welding and I am getting better with my torch and grinder at fitting. Maybelline Great Lash Clear Mascara Chemist Warehouse, What Animals Were Raised At Mission San Antonio De Padua, Lincoln University Registrar Jefferson City, Mo, Peoria Unified School District Staff Directory, Maybelline Great Lash Clear Mascara Chemist Warehouse, sharp grossmont medical records phone number, comedians in cars getting coffee george costanza, how long does grape juice last after opening. No-climb horse wire will be attached after it's painted, so we're hoping to get as many years as possible out of this initial paint job. It is stationary in the borehole, transporting oil, gas, water, etc. When applied to rusted surfaces, OSPHO causes rust to chemically change. Dry ice blasting is great if you can find it. The primer has not failed after twenty years. OSPHO penetrates deep inside of the metal's pores to convert and The first pic is an apron I made am getting ready to weld it in place. up to the surface (or down from the surface). You will not want this and you will have to remove it eventually. A paint job will last longer after an application of OSPHO because subsequent paint coating securely attaches itself so that moisture and oxygen normally do not attack the metal. medical attention if irritation persists. Licensed & Insured. It is also excellent for application in coastal, marine and . Comments appreciated. If the dried phosphoric acid is left on the surface any coating will fail unless it is a self etching primer because these primers have phosphoric acid in them but then you need to put a special sealer over that before any coating will adhere. Ospho is a product that is essentially phosphoric acid (I know it sounds scary, but it's at almost every paint store and hardware shop). 2023 Maroon & White LP. Supervisor. It would effect the rear neighbours piping. Boiled Linseed Oil (BLO) This is the old school rust stopper. It provides unparalleled smoothness and polish on the weld. Ask your paint rep about a direct to metal product in an acrylic product. Finally any recommendations on the final step of applying the phosphoric treatment? The galvanized pipe will barely rust at all, developing some light rust where the threads have cut through the coating or where the coating is damaged. If taken internally give large quantities of milk or water, To prevent further corrosion and to protect the metal, I applied copious amounts of phosphoric acid to the vehicle, inside and out. Having done that, place the fiberglass cloth above the piece of plastic and put the patch, over the rust hole (fiberglass side down). painting pipe fence. Should I be prepared to paint with primer as soon as possible? about any rusted or steel surface including: Vehicles, Trailers, Fences, Under the engine (which is extremely hard to access) I have what looks like coal tar epoxy that is wearing thin or totally gone leaving a thin rust layer or a degraded surface. After doing this, apply a coat of Ospho and let it dry (overnight). OSPHO is a rust-inhibiting coating - NOT A PAINT You do not have to remove tight rust. Next, then da car with 80 grit, clean with . It dries overnight, makes a lasting bond between rusted metal and paint. DEPENDING ON TEMPERATURE AND HUMIDITY. 7. Q. Chemicals &Consumables by. Any help would be greatly appreciated. spreading OSPHO on adjacent areas such as concrete, Had better luck with Mobile Paints than I did with Hammerite. With the use of a plastic spreader, even out the surface and press out all the air bubbles that may be present. respiratory irritation, move exposed person to fresh air. A. This is normal and is not a cause for concern. What is Rust Converter? If it were me, I'd pressure wash with plain water after the phosphoric acid, then dry the vehicle as quickly as possible to minimize surface rust. 8. Merely remove loose paint and rust scale, dirt, oil, grease and other accumulations with a wire brush - apply a coat of OSPHO as it comes in the container - let dry overnight, then apply whatever paint system you desire. Galvanized Metal Treat galvanized metals differently, depending on how important appearance is. When proper preparation is done, this product will bond extremely well with light- and medium-rusted metal. It's important, however, to understand the quality of pipe you're buying. After doing this, apply a coat of Ospho and let it dry (overnight). When I get down to bare metal I use Ospho to coat the metal. Q. Hello Richard, I am wondering how the cold galv. My ideas, so far, are as follows: bars-metal applications but can be used painted surfaces as long as the How To Climb Waterfall In Pokemon Light Platinum, Ireland Government Masters, MBA & PHD Scholarship, Jobs for Caregivers In the USA with Visa Sponsorship, PEO International Peace Scholarship To Study In USA And Canada 2023, 6 Steps To Quickly Secure Scholarships For College, Top 10 Mistakes People Make With Insurance, 2023 MasterCard Fully Funded African Scholarship at University of California, Berkeley USA, Government of Ireland Masters Scholarships 2023 + MBA Entrance Scholarships at Ryerson University, Canada 2023, Proudly powered by Newspack by Automattic. It turned the pipe a white haze color. Please provide any suggestions or point out any flaws. with water, avoiding damage to adjacent areas; or wipe to a smooth finish, Exposure to vapors may cause Self-Etching Primer If you have hired a licensed fence contractor, they can explain to you in detail what engineer drawings you'll need. CLEANING AND ETCHING METAL - OSPHO can be used to clean and etch Ferrous and Non-Ferrous metals by simply applying a thin coat. To neutralize the Ospho MUST be wet, so if dry, re-wet with itself and let set one or two minutes and with a clean rag and water, wipe off like washing the car and then dry. Your plan is good except for one step. The blaster told me to spray it down with Ospho, so I did, undiluted and let it dry, nothing done to neutralze. Warm your finishing oven to 350*, pack it full of the objects you wish to darken, and let it bake until they're up to temperature. I will be applying a new long life polymer roof coating afterward.
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