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How to Remove Permanent Marker from Plastic Plant Tags

September 14, 2018 ♛ By Melissa J. Will

This post contains affiliate links.
Click here for the full disclosure statement.

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If you want to remove permanent marker from plastics including plant tags, I’ll show you which products work. It’s not only frugal to reuse plant tags, but helps prevent plastics from going to waste when they are still useful.

I’ve also done tests to find out which markers last outdoors on plant tags and there is a clear winner.

How to remove permanent marker and reuse plastic plant tags

Remove Permanent Marker from Plastic

One of the things that drives me crazy about gardening and the world in general is plastic waste.

If you have ever seen footage of the The Great Pacific Garbage Patch or images of beaches covered in (mostly plastic) debris that has washed in with the waves, you know how heartbreaking it is.

And, while all plastics can be a problem, it’s single-use plastics—that’s anything we use one-time or for a brief time before discarding it— that really fuel the problem.

Plastics play a huge role in gardening, and have really helped revolutionize it, but the cost in waste—single-use, non-decomposing plastic waste—is something we’re going to have to deal with.

With this in mind, any time you can extend the usefulness of a plastic item, it’s a good thing. Finding alternate, sustainable materials will be a longer-term solution.

I realize this project is not going to unclog the oceans or turn our fate, but it is one example of making a small effort to turn what might be a single-use item into a long-lasting item.

Related: 5 Handy Zero Waste Kitchen Ideas to Reduce Plastic Waste

Two Types of Marker

Before you grab a product, keep in mind that there are two basic types of markers: oil-based and (what we’ll call) water-based. I tested a bunch of household products and the results depend entirely on the type of marker.

Sharpie Permanent Markers | Amazon

Jiffy Artline 400 Paint Marker | Amazon

Water-Based Markers

  • Sharpie Permanent Markers are a popular brand of marker used by gardeners. They are labelled as ‘permanent’, but they do fade in the sun, and, thankfully, are not truly permanent on plastic.

Oil-Based Markers

  • Jiffy Artline 400 Paint Markers are becoming popular with gardeners because, according to reports, they do not fade or weather when used outside.
    I did a test for six months and oil-based markers are the clear winners. See the plant tag marker test results here.
    Sharpie also makes oil-based Paint Markers. I have not tried them.

The ideal is to have a marker stay vibrant as long as the tag is in use, yet easy to remove when you want to reuse the tag.

If you don’t know what type of marker you are removing, see if you can conduct small tests to see what works from the products listed below.

Also, because so many people report different products that work, be frugal and start by testing products you have around the house. No sense in buying something if you don’t need to (frugal mom speaking).

The Marker Removal Test

Before testing, I read dozens of tips for removing permanent markers with all sorts of suggestions. Out of curiosity, I gathered as many items as I could and tried them on both water-based and oil-based permanent marker on plastic surfaces. The samples I tested had been on the plastic for anywhere from hours to years.

Testing household products for removing permanent marker from plastic.

Here’s what I tried:

  • Rubbing alcohol (70%)
  • Nail polish remover with acetone
  • Baking soda
  • Ammonia
  • Glycolic acid (7%)
  • White vinegar (5%)
  • Methyl hydrate (99.9%) – (also known as Methonal – see Wikipedia)
  • Mineral spirits
  • Varsol (contains mineral spirits)
  • Toothpaste with fluoride mixed with baking soda
  • WD-40
  • Magic erase cleaning sponge
  • Dish soap
  • GOOP

In the end, there were just a few things that worked really well.


Watch Marker Removal Video

I filmed this while I was testing a range of products. It shows which ones worked best.

Method

For the sake of the video, I applied the products with cotton swabs, simply so you could better see what I was doing.

You could also wear gloves and use a cloth or sponge.

Either way, a small amount of the product is rubbed onto the tag and wiped off with a cloth.


1Removing Sharpie Marker from Plastic

First, for regular Sharpie permanent markers or anything similar, the winning products were two things:

  1. Methyl Hydrate | Amazon
  2. WD-40 | Amazon

Methyl hydrate, and WD-40, both found at home improvement stores.

Methyl hydrate is excellent for degreasing surfaces and removing greasy residue. I use it to prepare metal plant tags before applying labels or marker.

I tested both products on a bunch of tags where the marker had been on there for hours, weeks, or years, and the results varied. But, a combination of these two products always worked.

Runner Up: The only other thing I tried that worked (somewhat) was a combination of fluoride toothpaste and baking soda. When I rubbed those on with a brush, I was able to remove about 80% of the marker.

Not tried but reported to work:

  • Soaking in bleach overnight.
  • Scrubbing with Vim and a scouring pad.
  • Brillo pads and warm water.
  • CRC (similar to WD40)

2Removing Oil-Based Paint Pen Markers from Plastic

Removing oil-based permanent marker from plastic.

Next, I tested oil-based paint markers including Jiffy Artline 400 Paint Markers.

The best products for removing the marker were mineral spirits and WD-40.

Again, sometimes the marker came off right away, other times I had to alternate the products a couple of times until the tag looked new again.

Tips for Cleaning Plant Tags

Removing permanent marker from plastic plant tags.

If you have a lot of plant tags, it’s easier to dispense the product (methyl hydrate or mineral spirits) into a container, dip the plastic in, and then rub with a rag, sponge, or swab.

Have a separate bowl for the WD-40 in case it’s needed.

Once your tags are marker-free, wash them thoroughly in dish soap until any trace of the other products is gone.


Marker Removal

  • Methyl hydrate and WD-40 work on water-based markers.
  • Mineral spirits and WD-40 work on oil-based markers.
  • Sometimes an abrasive item like baking soda or an abrasive cloth can also help speed it up.

~Melissa the Empress of Dirt ♛

Next

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How to Remove Permanent Marker from Plastic Plant Tags
See More >>
How to Remove Permanent Marker from Plastic Plant Tags
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I’m Melissa J. Will
a.k.a. the Empress of Dirt
(Ontario, Canada).
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