Boxed set of 6 Pilot Iroshizuku Asa-gao blue fountain pen ink cartridges. These proprietary ink cartridges fit all Pilot and Namiki fountain pens that accept cartridges.
Delight in the rich and lavish colors of each of these carefully curated Iroshizuku ink colors that are inspired by the beauty of nature. Each vibrant ink color embodies the beauty of Japanese natural landscapes and plants. Each ink cartridge is imprinted with the name of the ink color.
The packaging mimics the glass blown Iroshizuku ink bottle packaging. The inner tray slides out of the box and has an internal latch to stop it from fully pulling out. The perfect accessory to any Pilot fountain pen that accepts ink cartridges!
asa-gao (morning glory): The summer Morning Glory flower has long been a familiar favorite of the Japanese. This shade of blue evokes the refreshing color of a newly blooming Morning Glory.
Click here to shop all of our fountain pens that accept these ink cartridges.
- Ink Cartridges
- Max Ink Capacity - Cartridge
The maximum volume of ink that can fit in the pen when using a cartridge.
- Cartridge Type
- Number of Cartridges
- Fast Drying
Whether or not the ink contains glittery particles.
- Freeze Resistant
Whether or not an ink is specially formulated to better withstand freezing temperatures.
- Iron Gall
Ink made from iron salts and tannic acids. Though quite permanent and waterproof, these inks are typically known for causing chemical corrosion to metal pen parts (especially the nib) and should be used sparingly or with less-valuable pens.
Whether or not an ink is specially formulated to increase flow in your pen.
Whether or not the ink contains finely-ground solid particles in liquid suspension.
- Water Resistant
Whether or not the ink, once dried on the paper, will resist being washed away with water.
FAQ about Ink Cartridges
What fountain pens are compatible with ink cartridges?
There are two main groups of ink cartridges: standard international (available in short and long sizes), and proprietary (which only fit that particular brand). You can read which cartridges fit a given fountain pen in that pen's product description or Tech Specs.
You can also check out our Cartridge/Converter guide for general brand guidance if you’re unsure.
To locate pens that fit each size of ink cartridges, click here:
How do I install an ink cartridge?
We've got a great blog post on this topic: How to Install an Ink Cartridge.
Or, just watch the video here!
Can I refill an ink cartridge?
Do ink cartridges generally write more dry than bottled ink?
Yes, they do.
What's your return policy for ink cartridges?
We do not accept returns for ink that has been used. Otherwise, we accept returns on unused ink products for up to 60 days from purchase. You can read all our Return Policies here.
To initiate a return, please submit a request at the Return Portal. Our Customer Care team might reach out to you for more information.