What should I test first on Tomoe River or Sanzen planner paper?

Test dry time, smearing, feathering, bleed-through, and ghosting on the back of the page before using a pen or ink in an important planner spread.

Today Marker/Ruler White Print Transparent

Pocket

$6.00 CAD

Today Marker/Ruler White Print Transparent

Q: Are fountain pens safe for planner paper?

Many fountain pen users like Tomoe River and Sanzen paper, but results depend on nib size, ink, and writing pressure. Finer nibs and moderate ink flow are usually easier for everyday planning.

Q: Can I highlight over fountain pen ink?

Let fountain pen ink dry fully before highlighting and test the combination first. Some highlighters can smear wetter inks on smooth planner paper.

SKU: RULER-PKT-WHT

$6.00 CAD

Size: Pocket

Pocket A6 Personal PW/B6 A5/A5 W

Quantity

We ship worldwide.

Usually ships within 1–2 business days.

Availability

Canadian Warehouse: In stock (ships worldwide)

US Warehouse: In stock (only ships to US addresses)

Frequently Bought Together

What is the White Print Transparent Today Marker/Ruler?

The White Print Transparent Today Marker/Ruler is a hole-punched planner ruler for marking the current day, week, or section in a ring planner. The transparent body keeps the page visible while the white print gives the marker a clean, minimal look.

The marker is made from ultra-thick PVC and is single-side printed. Four sizes are available so you can choose the marker that fits your planner format and page size.

Key Features

Transparent today marker/ruler with white print
Hole punched for ring planner setups
Available in four sizes
Made from ultra-thick PVC
Single-side printed

Choosing pens and inks for planner paper

Planner writing tools behave differently depending on paper, ink flow, dry time, writing pressure, and how much ghosting you are comfortable with. If you are pairing this item with Tomoe River / Sanzen paper, test it on a back page or swatch area before committing to an important spread.

Check dry time

Fast notes, weekly spreads, and left-handed writing usually need a pen or ink that dries cleanly for your writing style.

Expect some ghosting

Thin planner paper can show ghosting even when it handles ink well. Bleed-through, feathering, and smearing are better warning signs to watch for.

Match the planner use

Use fine tips for small grid spaces, softer ink for journaling, and highlighters or markers carefully around wet fountain pen ink.

Pens for Tomoe River paper Fountain-pen-friendly planners Tomoe River planner guide Planner Guides

Planner pen FAQ

What should I test first on Tomoe River / Sanzen paper?

Test dry time, smearing, feathering, bleed-through, and how much ghosting you see on the back of the page. A quick swatch helps avoid surprises in a weekly spread or journal entry.

Are fountain pens safe for planner paper?

Many fountain pen users like Tomoe River / Sanzen paper, but results depend on nib size, ink, and writing pressure. Finer nibs and moderate ink flow are usually easier for everyday planning.

What pen style works best for small planner layouts?

Fine gel pens, fine fountain pen nibs, and precise markers are easier to use in small date boxes, trackers, and compact weekly layouts.

Can I highlight over fountain pen ink?

Let the ink dry fully first and test the combination. Some highlighters can smear fountain pen ink, especially on smooth paper or with wetter inks.