Noodler's Ink — Noodler's Ink

How to Clean a Noodler's Konrad Flex Pen: Step-by-Step Guide

How to Clean a Noodler's Konrad Flex Pen: Step-by-Step Guide

By Noodler's Ink — Noodler's Ink | Published: 2026-08-01

Category: How-to Guides

Learn the best way to clean your Noodler's Konrad flex pen. This guide covers disassembly, flushing, drying, and maintenance tips to keep your pen performing at its best.

The Noodler's Konrad is a beloved flex pen for many fountain pen enthusiasts. Its ebonite feed and flexible steel nib offer a unique writing experience that can produce beautiful line variation. However, like any fountain pen, proper cleaning is essential to maintain its performance and longevity. In this guide, we'll walk you through the steps to thoroughly clean your Konrad, whether you're switching inks or just giving it a routine refresh.

Cleaning your Konrad is not difficult, but it does require some patience and care. The flex nib and feed are delicate, and the ebonite material needs gentle handling. We'll cover everything from disassembly to drying, so you can keep your pen writing smoothly for years to come.

Why Clean Your Konrad Flex Pen?

Regular cleaning prevents ink from drying and clogging the feed, which can cause hard starts, skipping, or inconsistent ink flow. For flex pens like the Konrad, a clean feed is especially important because the flex nib demands a steady supply of ink to perform properly. If you've been using a heavily saturated ink or a shimmer ink, residue can build up and affect the pen's performance.

Additionally, if you plan to switch to a different ink color, cleaning ensures that you don't get unexpected color mixing. For example, if you're moving from a vibrant blue like 19067 Brevity Blue to a deep red, you'll want to remove all traces of the previous ink to avoid muddying the new color.

19067 Brevity Blue
19067 Brevity Blue
  • Prevents clogging and hard starts
  • Ensures consistent ink flow for flex writing
  • Avoids color contamination when switching inks

What You'll Need

Gather the following supplies before you start: a bulb syringe or a clean eyedropper, a small cup of lukewarm water (not hot, as it can damage ebonite), a soft cloth or paper towel, and optionally a mild dish soap or a pen flush solution. Avoid using ammonia-based cleaners on ebonite, as they can cause discoloration.

You may also want to have a small container to hold the parts while they soak. A clean glass or plastic cup works fine. If you have a replacement nib on hand, like the 18094- Rplmnt Nib Ahab/Konrad Flexible Nib, you can use this time to inspect or swap out the nib if needed.

18094- Rplmnt Nib Ahab/Konrad Flexible Nib
18094- Rplmnt Nib Ahab/Konrad Flexible Nib
  • Bulb syringe or eyedropper
  • Lukewarm water (never hot)
  • Soft cloth or paper towels
  • Mild soap or pen flush (optional)

Step-by-Step Cleaning Process

First, disassemble your Konrad. Unscrew the barrel from the grip section, then gently pull the nib and feed out of the grip. The feed is friction-fit, so it should slide out with a gentle twist and pull. Be careful not to bend the nib or damage the feed fins.

Next, rinse the nib and feed under lukewarm water to remove the bulk of the ink. Then, use the bulb syringe to flush water through the feed channel until the water runs clear. For a deeper clean, soak the nib and feed in a cup of lukewarm water with a drop of dish soap for 10-15 minutes, then flush again.

While the nib and feed soak, clean the grip section and barrel. Use a cotton swab or a soft cloth to wipe the inside of the grip, and flush the section with water using the bulb syringe. Be careful not to lose the o-ring if your Konrad has one. Once all parts are clean, rinse everything with plain water to remove any soap residue.

Finally, dry all parts thoroughly. Use a soft cloth to pat them dry, and let them air dry on a paper towel for a few hours to ensure no moisture remains. Once dry, reassemble your pen. If you're using a different ink, you can now fill it with your choice, such as the vibrant 19853 Black Swan Australian Roses or the classic 19086 Legal Blue.

  • Disassemble: remove barrel, nib, and feed
  • Flush with lukewarm water until clear
  • Soak in soapy water if heavily inked
  • Dry completely before reassembly

Tips for Maintaining Your Konrad Flex Pen

To keep your Konrad in top shape, clean it every time you change inks, and at least once a month if you use it regularly. If you plan to store the pen for a long period, empty it and clean it thoroughly to prevent ink from drying inside.

When reassembling, make sure the feed is aligned with the nib and seated properly. The flex nib should be positioned with the tines facing up. If you notice any issues with ink flow after cleaning, you may need to adjust the nib or feed. Sometimes, a simple reset by pushing the feed further into the grip can solve the problem.

If you're looking to upgrade or replace parts, consider the 17052 Green Bay Std Flex nib or the 15048 Oklahoma Ahab pen for a different writing experience. But for now, enjoy your freshly cleaned Konrad and the beautiful line variation it produces.

  • Clean regularly to avoid buildup
  • Always dry parts completely before reassembly
  • Check alignment of nib and feed after cleaning

Cleaning your Noodler's Konrad flex pen is a simple process that pays off with a reliable, smooth-writing pen. By following these steps, you'll ensure your pen stays in excellent condition for years of creative writing and sketching. So grab your supplies and give your Konrad the care it deserves – you'll be rewarded with a pen that performs beautifully every time you pick it up.

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