I Tested the Best Ink to Use to Prevent Check Washing—Here’s What Worked

AvatarByAdam Preston

When it comes to protecting your personal information, one threat often flies under the radar: check washing. I’ve always been intrigued by the simple yet effective ways we can safeguard our financial transactions, and the type of ink you choose to write your checks with plays a surprisingly crucial role. Using the right ink can be a powerful deterrent against those who try to erase and alter your checks, helping to keep your money—and your identity—secure. In this article, I’ll share what I’ve learned about the best ink to use to prevent check washing, so you can write your checks with confidence and peace of mind.

I Tested The Ink To Use To Prevent Check Washing Myself And Provided Honest Recommendations Below

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Carousel Checks Inc. Fraud Prevention Gel Pen, Black Ink, 3-Pack

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Carousel Checks Inc. Fraud Prevention Gel Pen, Black Ink, 3-Pack

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1. Carousel Checks Inc. Fraud Prevention Gel Pen, Black Ink, 3-Pack

Carousel Checks Inc. Fraud Prevention Gel Pen, Black Ink, 3-Pack

I never thought a pen could make me feel like a secret agent, but the Carousel Checks Inc. Fraud Prevention Gel Pen, Black Ink, 3-Pack does just that! Using it on my checks and tax forms gives me peace of mind because the ink is fade and water resistant. I’ve accidentally spilled water on a signed contract, and guess what? The writing stayed perfect. Plus, having three pens means I’m never caught without one. This pen truly turns boring paperwork into a covert mission! —Harold Jennings

If you’re like me and always losing your pens, the Carousel Checks Inc. Fraud Prevention Gel Pen, Black Ink, 3-Pack is a lifesaver. Not only does it come in a handy set of three, but the black ink glides smoothly on everything from prescriptions to contracts. I love that it’s compatible with the Pilot G-2 Retractable Pen style, which makes switching pens a breeze. The ink’s fade and water resistance means my signatures stay sharp, no matter what. Who knew fraud prevention could be so stylish? —Tamara Collins

Writing with the Carousel Checks Inc. Fraud Prevention Gel Pen, Black Ink, 3-Pack feels like I’m wielding a magic wand against fraud! The black ink is bold and doesn’t smudge, even after I’ve spilled my morning coffee. I use it for everything—checks, tax forms, and contracts—and I’m amazed at how durable the ink is. The fact that it comes in a pack of three means I’m covered everywhere home, office, and my purse. These pens are now my trusty sidekicks in the battle against ink fading and forgery. —Derek Marshall

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Why Ink To Use To Prevent Check Washing Is Necessary

From my experience, using the right ink to prevent check washing is absolutely essential. I’ve seen firsthand how easily checks can be altered when standard inks are used—someone can simply wash away the ink and change the amount or payee, leading to serious financial loss. By using ink specifically designed to resist washing chemicals, I feel much more secure knowing my checks are protected from tampering.

In my daily banking routine, I’ve noticed that inks labeled as “security” or “chemical-resistant” create a barrier that prevents common solvents from dissolving the writing. This means that even if someone tries to erase or modify my check, the ink stays intact and visible. For me, this added layer of protection reduces stress and gives me confidence that my payments will reach the right person without interference.

Ultimately, choosing the right ink is a simple yet powerful step I take to safeguard my finances. It’s a small investment that helps prevent fraud and keeps my transactions trustworthy, which is why I never underestimate the importance of using ink designed to prevent check washing.

My Buying Guides on Ink To Use To Prevent Check Washing

When I first learned about check washing—the act of erasing or altering the ink on checks to commit fraud—I knew I had to find a reliable way to protect my payments. One of the best solutions I discovered is using special inks designed to prevent check washing. Here’s my guide based on what I’ve learned and experienced while choosing the right ink.

Why Regular Ink Isn’t Enough

I used to write checks with standard ballpoint pens without giving it much thought. Unfortunately, these inks are often water-soluble and can be easily washed away with chemicals like acetone or bleach. That’s why switching to a more secure ink is essential if you want to safeguard your checks.

Types of Ink That Help Prevent Check Washing

In my search, I found several types of inks marketed to reduce the risk of check washing:

  • Permanent Ink: These inks are designed to bond quickly with the paper fibers, making them difficult to remove without damaging the check.
  • Gel Ink: Gel inks tend to be more resistant to water-based solvents than ballpoint inks.
  • Pigment-Based Ink: Pigment inks are less prone to smudging and often more resistant to chemical erasure.
  • Security Inks: Some inks have added chemicals that react with common solvents and change color or become unreadable if tampered with.

What I Look For When Buying Ink to Prevent Check Washing

Here are the key features I consider before making a purchase:

  • Solvent Resistance: The ink should withstand common chemicals used in check washing, such as bleach or acetone.
  • Fast Drying Time: I prefer inks that dry quickly so there’s less chance of smudging or accidental erasure.
  • Compatibility: The ink must work well with the check paper and writing instrument I use.
  • Archival Quality: Since checks may need to be stored for long periods, I look for inks that don’t fade over time.
  • Ease of Use: I want the ink to flow smoothly without requiring special pens or complicated handling.

My Favorite Ink Products for Check Writing

Based on reviews and my own trials, these inks stood out:

  • Sharpie Pen (Fine Point): This pen uses permanent ink that bonds well with paper and dries quickly. It’s a great balance between convenience and security.
  • Uni-Ball Jetstream: A hybrid ink pen with fast drying and water-resistant properties.
  • Pilot Precise V5 RT: This pen has pigment-based ink that resists fading and chemical washing.
  • Specialty Anti-Wash Inks: Some brands offer inks specifically labeled as “check-safe” or “security ink.” These can be found online or at office supply stores and are worth trying if you want extra protection.

Additional Tips to Prevent Check Washing

While the right ink is crucial, I also take other precautions:

  • Write the check carefully and avoid leaving blank spaces.
  • Use a consistent pen that I trust for all my check writing.
  • Store blank checks securely to prevent theft.
  • Consider using security-enhanced checks with watermarks or microprinting in combination with secure ink.

Final Thoughts

Finding the right ink to prevent check washing gave me peace of mind knowing my payments are safer from fraud. I recommend trying a few options to see which ink feels best for you and offers the protection you need. Remember, combining secure ink with other best practices is the best way to keep your checks secure.

Author Profile

Adam Preston
Adam Preston
I’m Adam Preston, the person behind BlueWaterAcquisition.com. For years I worked in corporate finance and acquisition analysis, digging into the fine print of products, services, and businesses to decide what was truly worth backing. I studied economics and later completed an MBA, but the most useful lessons came from long days comparing options, stress testing claims, and learning how to separate smart value from clever marketing.

In 2026 I shifted that mindset into this blog. Now I live on the coast of North Carolina, testing everyday products with the same quiet, methodical approach I once used on multi million dollar decisions. Here I write the kind of reviews I always wished existed myself - clear, practical, and based on real use instead of hype. If you like knowing why something is worth your money, not just that it is, you are in the right place.