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Car Washing & Drying intermediate 3 min read

Getting Rid of Nasty Water Spots (Mar 2026)

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

Water spots are a literal nightmare on dark cars in the Aussie sun. Here is the exact gear and process I use to shift them before they etch into your clear coat for good.

SC
Sarah Chen Interior & Leather Specialist
| Updated: 5 March 2026
Getting Rid of Nasty Water Spots (Mar 2026)

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've parked under a leaky pipe or let the sprinkler hit your car in 35-degree heat, you've got a problem. These minerals bake into the paint faster than a snag on a Barbie. I've spent 15 years fixing 'permanent' spots that mates thought needed a respray, but usually, a bit of chemistry does the trick. This is for the weekend warrior who wants a clean finish without spending a weekend polishing.

01

The Game Plan

Right, so the thing about water spots in Australia is the heat makes them aggressive. If you leave 'em, they'll eat into the paint. I once had a customer with a black LandCruiser who'd parked near a bore-water sprinkler for a week, honestly, I thought the paint was toast. But if you catch them early with the right gear, they'll pop right off. Don't go straight for the polish, try the chemical route first.
02

The Hit List (What You Need)

What You'll Need

0/8
Dedicated Water Spot Remover — I reckon Bowden's Own 'Water Spotter' or Gtechniq W9 are the go-to choices here.
High-Quality Microfibre Applicator — Don't use a rag from the kitchen; grab a proper microfibre pad.
Plentiful Microfibre Towels — At least 4-5 clean ones. You don't want to cross-contaminate.
pH Neutral Car Wash — Standard soap to clean the surface first.
Distilled Water or Quick Detailer — For a final wipe down to ensure no residue stays on the paint.
Nitril Gloves — The acidic stuff in spot removers is nasty on your skin (trust me on this one).
Spray Bottle with Fresh Water — For rinsing sections quickly as you go.
A shaded workspace — Non-negotiable. If you do this in the sun, you're asking for trouble.
03

Check This Before You Start

What You'll Need

0/4
Is the paint cool to the touch? — If it's hot, the chemicals will flash dry and leave a worse mess.
Is the car actually clean? — Never try this on a dusty car. You'll just grind the red dirt into the clear coat.
Are the spots 'Type 1' or 'Type 2'? — If you can feel a ridge with your fingernail, it's etched. This guide might not be enough.
Do you have a breeze? — Some of these removers smell like rotten eggs. Work in a ventilated spot.
04

Step-by-Step Removal

Tap each step to mark complete
01

Thorough Wash

Give the car a proper two-bucket wash. Remove all the loose grit and salt spray first so you're only dealing with the spots.

02

Sectioning

Work one panel at a time. I usually break a bonnet down into four sections. Don't get ambitious and try the whole car at once.

03

Apply Remover

Put a few drops of your spot remover on the applicator. Work it into the paint using light pressure in a cross-hatch pattern (up-down, then left-right).

04

The Dwell Time

Let it sit for about 30-60 seconds. Do not let it dry! If it starts drying, chuck a bit more product on to keep it wet.

05

Neutralise and Rinse

Wipe the area with a damp microfibre, then follow up with a dry one. I like to spray a bit of quick detailer to ensure the acid is gone.

06

Repeat if Needed

If the spots are stubborn, give it another crack. If they haven't moved after three goes, you'll need to break out the polisher.

05

The Done-and-Dusted Check

What You'll Need

0/3
Check with a torch — Use a bright LED or the sun to look at the paint from an angle.
Check the glass — Water spots love windscreen edges. Did you get those too?
Apply protection — You've just stripped any wax off. Chuck a layer of sealant or ceramic spray on now.

Watch Out

Never, ever use these acidic removers on unsealed aluminium or cheap aftermarket tints. It'll stain them instantly. I made this mistake on a mate's custom wheels years ago, cost me a fortune to get them polished back up.

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