Moleskine vs Leuchtturm1917 vs Midori: Best Notebook Paper for Fountain Pens

Choosing the right notebook is a critical decision for anyone who writes with a fountain pen. The interaction between liquid ink and paper fibers determines whether your writing remains crisp and legible or dissolves into a blurry, bleeding mess. Among premium stationery options, Midori MD is widely recognized as the most fountain-pen-friendly option due to its specialized paper sizing. In contrast, standard notebooks from Moleskine and Leuchtturm1917 use general-purpose paper that is highly prone to ghosting, feathering, and bleed-through when paired with wet fountain pen inks or broader nib sizes.

Finding the perfect paper requires balancing several variables, including your preferred nib size, ink wetness, and personal tolerance for page show-through. While one writer might demand absolute resistance to ink penetration, another might prioritize a structured layout or a classic cover design. Understanding how these three iconic brands handle liquid ink will help you select the ideal canvas for your daily writing.

How to Evaluate Notebook Paper for Fountain Pens

To understand why different papers react uniquely to fountain pens, you must first master the terminology of ink behavior. The three most common issues writers encounter are bleed-through, feathering, and ghosting. Bleed-through occurs when ink penetrates entirely through the sheet, emerging as spots or pools on the reverse side of the page. Feathering describes the capillary action of ink spreading sideways along the paper fibers, turning clean lines into fuzzy, spider-like shapes. Ghosting, or show-through, refers to the shadow of your writing visible on the reverse side of the page; while the ink has not physically broken through the paper surface, the sheet is translucent enough that the text is legible from behind.

Many writers mistakenly assume that a higher paper weight, measured in grams per square meter (GSM), automatically guarantees excellent fountain pen performance. However, physical thickness is only a small part of the equation. The critical factor is sizing, which refers to the chemical treatments applied to paper during manufacturing to control its absorbency. Internal sizing is mixed directly into the paper pulp, while surface sizing is applied to the finished sheet to create a barrier. Well-sized paper resists liquid penetration, forcing the ink to dry on the surface rather than sinking into the core. This surface-drying process is what preserves sharp line definitions and allows complex ink properties, such as shading and metallic sheen, to become visible.

Before committing an expensive notebook to daily journaling, you should always perform a simple, low-risk at-home test. Turn to the very last page of the notebook and draw a series of test lines using your favorite pen and ink combinations. Write with varying speeds, draw small pools of ink, and note how long the ink takes to dry. Flip the page to check for ghosting and bleed-through. This simple verification step ensures you will not ruin a premium notebook with an incompatible ink setup.

Moleskine Paper: Classic Design with Fountain Pen Limitations

The iconic Moleskine notebook is celebrated globally for its rounded corners, elastic closure band, and cream-colored pages. However, the standard paper used in these notebooks presents significant challenges for fountain pen users. Standard notebooks from this brand typically feature 70 GSM paper that is highly absorbent and uncoated. Because of this high absorbency, the paper behaves much like newsprint when it comes into contact with water-based fountain pen inks. The liquid is quickly drawn deep into the paper fibers, resulting in severe feathering and immediate bleed-through.

When writing in a standard notebook from this brand, even fine nibs paired with moderately wet inks can bleed through to the reverse side, making it nearly impossible to write on both sides of a sheet. The ink lines lose their crispness, expanding by one or two nib sizes as the liquid spreads laterally. For this reason, standard editions are generally not recommended for writers who prefer medium, broad, or stub nibs, nor are they suitable for wet, saturated inks.

If you are determined to use a standard notebook from this brand with a fountain pen, you must carefully adapt your tool selection. The paper performs adequately only when paired with extra-fine (EF) or very dry fine (F) nibs, alongside dry-flowing inks such as Pelikan 4001 or classic iron gall formulas. Alternatively, these notebooks are highly compatible with ballpoint pens, gel pens, and dry rollerballs, which do not saturate the paper fibers with liquid.

For those who love the classic aesthetic but require better paper performance, it is vital to check the product label for specialized paper editions. The brand offers an Art Collection and specific heavy-paper editions that feature thicker, less absorbent sheets. Always verify the exact GSM and paper type on the packaging before purchasing, as the standard 70 GSM layout remains highly restrictive for fountain pen enthusiasts.

Leuchtturm1917 Paper: A Step Up, But Not Specialized

Leuchtturm1917 notebooks are often positioned as a direct upgrade for writers who love the classic hardbound aesthetic but demand better paper quality. The standard paper used in these notebooks is 80 GSM, which is slightly heavier and noticeably smoother than the standard options from competitors. The surface features a light coating that offers a moderate defense against ink absorption, allowing for a more controlled writing experience.

When paired with extra-fine or fine nibs and standard daily inks, Leuchtturm1917 paper performs reasonably well. Feathering is minimal, and lines generally retain their intended width. However, because the paper is relatively thin and only moderately sized, ghosting is a prominent characteristic. If you write on the front of a page, you will clearly see the dark outline of your text on the back. While some writers find this ghosting acceptable or even charming, those who prefer pristine, clean pages may find it distracting.

When you push the paper further by using broad nibs, flexible nibs, or highly saturated inks, its limitations become apparent. Heavy ink flow or high writing pressure will break through the surface sizing, leading to localized bleed-through and feathering. It is not an ideal medium for showing off the dramatic shading or high-sheen properties of specialty inks, as the paper still absorbs enough liquid to dull these visual effects.

The true strength of these notebooks lies in their organizational features rather than specialized ink performance. With pre-printed page numbers, a blank table of contents, dual page markers, and archival stickers, they are exceptionally well-suited for structured journaling and bullet journaling. If you use dry inks and fine writing instruments, the paper is highly functional, but it remains a general-purpose option rather than a dedicated fountain pen haven.

Midori MD Paper: Purpose-Built for Fountain Pen Ink

Midori MD paper represents a completely different philosophy, where the writing experience and ink compatibility are prioritized above all else. This proprietary Japanese paper is specifically engineered, sized, and tested to handle fountain pen ink. Even though it shares a similar weight class with competitors—typically around 80 GSM—its chemical composition and surface treatment are entirely optimized to resist liquid penetration.

When writing on this paper, the ink sits on top of the surface rather than sinking into the sheet. This allows the ink to dry naturally, preserving the exact line width of your nib without a trace of feathering. Because the ink dries on the surface, the paper excels at revealing the complex characteristics of your inks. Shading inks display beautiful color gradients, and shimmering or sheening inks develop their full lustrous effects once dry. Bleed-through is incredibly rare, occurring only under extreme conditions such as heavy ink pooling or deliberate multi-layer scrubbing.

Aside from its technical performance, the paper is famous for its distinct tactile feedback. Unlike some ultra-smooth, glassy papers that can cause a nib to slip, this paper has a slight “tooth” or texture. This subtle resistance gives the writer excellent control over line variation and stroke direction, making it a favorite for print, cursive, and calligraphy alike. The paper is bound in a minimalist style with exposed thread stitching, allowing the notebook to lie completely flat on your desk.

The paper features a warm cream color designed to reduce eye strain during long writing sessions. However, because the paper resists absorption, drying times are noticeably longer than on standard papers. In humid climates, such as Singapore, water-based inks can take several minutes to dry completely on this paper. Writers should consider using a sheet of blotting paper to prevent accidental smudges when closing the notebook. Additionally, when shopping, remember to verify the specific format you are buying, as paper behavior can vary slightly between the standard MD Notebook line and the lighter paper inserts used in the Traveler’s Notebook system.

Side-by-Side Comparison: Specs and Ink Performance

To help you visualize how these papers compare in daily use, the following table summarizes their key physical traits and observable ink performance metrics. Keep in mind that exact paper specifications can occasionally vary by production run, so always check the product packaging for the most current details.

Brand	General Paper Weight	Fountain Pen Friendliness	Ghosting Level	Bleed-through Risk	Best Suited For
Midori MD	~80 GSM (Verify on label)	Excellent	Low to Moderate	Very Low	Wet inks, broad nibs, shading/sheening inks, and tactile writing
Leuchtturm1917	~80 GSM (Verify on label)	Moderate	High	Moderate	Fine/medium nibs, dry inks, structured journaling, and bullet journaling
Moleskine	~70 GSM (Verify on label)	Low	Very High	High	Ballpoint/gel pens, extra-fine nibs with very dry inks, and classic pocket carry

As shown in the comparison, Midori MD stands out as the only specialized option designed to handle heavy ink loads. While Leuchtturm1917 offers a functional middle ground for everyday writing with fine instruments, standard Moleskine paper remains highly restrictive, requiring careful pen and ink curation to avoid ruining the reverse side of your pages.

How to Choose the Right Notebook for Your Pen and Ink

Selecting the perfect notebook requires matching your specific writing tools and environmental conditions to the paper’s characteristics. There is no single universal winner, as the best notebook is the one that aligns with your daily habits and aesthetic preferences.

Choose Midori MD if:

• You write primarily with fountain pens, especially those with medium, broad, or flexible nibs.
• You enjoy using wet, highly saturated, or specialty inks and want to see vivid shading and sheen.
• You insist on writing on both sides of every page with minimal risk of ink bleeding through.
• You prefer a minimalist, clean aesthetic and enjoy a paper that offers a tactile, controlled writing feel.
• Local Tip: If you are writing in Singapore's humid climate, pair this paper with a sheet of blotting paper to manage the extended drying times.

Choose Leuchtturm1917 if:

• You want a highly organized notebook with built-in page numbers, index pages, and dual bookmarks.
• You write with fine or medium nibs and use standard, dry-flowing daily inks.
• You do not mind a moderate amount of ghosting (show-through) on the back of your pages.
• You want a durable hardbound cover available in a wide array of colors to suit your personal style.

Choose Moleskine if:

• You prioritize the classic, globally recognized aesthetic, sturdy oilcloth covers, and secure elastic closures.
• You primarily write with ballpoints, gel pens, or rollerballs rather than fountain pens.
• You only use fountain pens with extra-fine nibs and exceptionally dry inks.
• You value immediate ink drying times over line crispness and ink-sheening properties.

Verify first if:

• You are purchasing special editions, limited-run collaborations, or regional variants. Manufacturers occasionally alter their paper stock or sourcing for limited releases without changing the outer branding. Always inspect the paper texture and check the product sleeve for exact GSM specifications before making your final selection.

Frequently Asked Questions (FAQ)

Can I use shimmer inks in Moleskine or Leuchtturm1917?

Using shimmer inks in standard Moleskine or Leuchtturm1917 notebooks is generally not recommended. Shimmer inks contain tiny particulate matter suspended in liquid, and they require a generous, wet ink flow to prevent clogging your pen. When this heavy volume of wet ink hits highly absorbent paper like Moleskine’s 70 GSM sheet, it instantly triggers severe feathering and deep bleed-through. On Leuchtturm1917’s 80 GSM paper, the ink will cause intense ghosting and localized bleeding. Furthermore, because these papers absorb the liquid rapidly, the shimmering particles get trapped deep within the paper fibers rather than sitting cleanly on the surface, which significantly dulls the sparkling effect. For the best visual results and to protect your pages, reserve shimmer inks for Midori MD or other highly sized, fountain-pen-friendly papers.

Does a higher paper weight (GSM) guarantee no bleed-through?

No, a higher paper weight does not guarantee resistance to bleed-through. GSM is a measurement of physical weight and thickness, not a measure of how the paper is chemically treated. A thick, heavy paper can be manufactured with very loose fibers and no sizing, making it behave like a sponge that sucks up fountain pen ink and bleeds heavily. Conversely, a thinner paper that has been treated with high-quality internal and surface sizing will successfully repel ink, keeping the liquid on the surface and preventing bleed-through entirely. When shopping for a notebook, you should prioritize specialized “fountain pen friendly” designations and verified user reviews over high GSM numbers.