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Detailing Techniques beginner 4 min read

Iron Fallout Removal: The Decon Checklist

Most car owners make this harder than it needs to be. Here's the straightforward approach that actually works—no fluff, no upselling.

Those tiny orange specks on your white paint aren't just dirt; they're burning metal. Here is exactly how to strip them off without ruining your clear coat in the Aussie sun.

B"W
Barry "Bazza" Williams Product Reviewer
| Updated: 27 February 2026
What You'll Learn
Iron Fallout Removal: The Decon Checklist

Aussie Conditions

Australian conditions are tougher than most—intense UV, red dust, coastal salt, and 40°C summers. European car care advice often doesn't cut it here.
Quick Summary

Look, if you live near a train line or even just drive on the highway, your car is copping iron particles that eat into the paint. I once spent three days fixing a black Commodore that a mate 'cleaned' with a kitchen scourer to get these spots off, please don't be that guy. This checklist is for anyone wanting a smooth finish before waxing or coating.

01

Why Bother?

Iron fallout is basically tiny shards of hot metal from brake pads or train tracks that melt into your paint. If you've ever felt your paint after a wash and it feels like sandpaper, that's what we're dealing with. In this 40-degree heat, you've gotta be careful not to let the chemicals dry, or you'll have a bigger mess than when you started.
02

What You'll Need

What You'll Need

0/8
Dedicated Iron Remover — My go-to is Bowden's Own Wheely Clean or Gtechniq W6. They both 'bleed' purple so you know they're working.
Pressure Washer or Garden Hose — Pressure washer is better for blasting the reacted gunk out of the pores.
Wash Mitt and Two Buckets — Standard safe wash setup. Don't use the missus's good sponges.
pH Neutral Car Soap — Something simple like Meguiar's Gold Class works fine here.
Nitrile Gloves — Trust me, this stuff smells like rotten eggs and the scent sticks to your hands all day.
Microfibre Drying Towels — Clean ones only. I reckon the 'Twisted Loop' style towels are the best for absorbing water fast.
Safety Glasses — If the wind catches the spray and puts it in your eyes, you'll know about it. It stings like crazy.
A Shady Spot — Non-negotiable in an Aussie summer. If the paint is hot, don't even start.

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03

Pre-Start Checklist

What You'll Need

0/4
Is the surface cool to the touch? — If it's been sitting in the sun, hose it down for 5 minutes first to drop the temp.
Are you out of direct sunlight? — Chemicals drying on paint is a nightmare to fix. Find a carport or wait until the arvo.
Did you do a contact wash first? — The iron remover needs to reach the paint, not sit on top of road grime or red dust.
Is the wind blowing towards your neighbour's laundry? — Again, the smell is putrid. They won't thank you if their sheets smell like sulfur.
04

The Decon Process

Tap each step to mark complete
01

Thorough Wash

Give the car a proper two-bucket wash to get rid of the loose dirt and salt spray. Dry it roughly so the iron remover doesn't get diluted.

02

Apply Iron Remover

Work one panel at a time. Spray a generous mist over the paint. Start from the bottom where most of the brake dust sits.

03

The Dwell Phase

Wait 3-5 minutes. You'll see the spray turn bright purple/red. This is the chemical reaction. Do not let it dry out!

04

Agitate (Optional)

If the car is filthy, I'll sometimes use a damp microfibre to gently spread the product. Honestly, usually the spray does the heavy lifting alone.

05

Rinse Thoroughly

Blast it off with plenty of water. Pay attention to window seals and door handles where the purple liquid likes to hide and drip out later.

06

Final Wash

I always do a quick soapy wipe down afterwards just to ensure every last bit of the stinky chemical is gone.

05

Final Inspection

What You'll Need

0/3
The 'Baggie Test' — Put your hand in a plastic sandwich bag and slide it over the paint. It should feel smooth, not bumpy.
Check the nooks and crannies — Look for any purple streaks left behind near the badges or trim.
Wheel nuts — Iron remover loves to sit in wheel nut holes. Give them an extra squirt of water.

Watch Out

NEVER use iron remover on a matte wrap or single-stage paint (like an old 70s ute) without testing a tiny spot first. Also, if you've got cheap aftermarket wheel weights, some removers can corrode them. And for Pete's sake, keep it off raw aluminium, it can stain it if you're not careful.

Detailer's Secret

If you've got a white car that looks 'yellowed' from sitting near the coast or a train line, doing this process twice will make it look like it's just had a fresh respray. It's the best bang-for-buck move in detailing.

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