on salePrivate Reserve Color Mix - Ink Cartridges

Product Code PR305MIX

In Stock

out of stock

on salePrivate Reserve Color Mix - Ink Cartridges

Product Code PR305MIX

In Stock

out of stock


Packaged set of 12 Private Reserve assorted short standard international ink cartridges.

Includes one each of Private Reserve American Blue, Avocado, Black Cherry, Blue Suede, Chocolat, DC Supershow Blue, Ebony Blue, Ebony Purple, Orange Crush, Plum, Purple Mojo, and Spearmint.

These ink cartridges will fit any fountain pen that accepts the short standard international size.

Click here to shop all of our fountain pens that accept these cartridges.

Private Reserve
Ink Cartridges
Max Ink Capacity - Cartridge

The maximum volume of ink that can fit in the pen when using a cartridge.

Cartridge Type
Standard international short
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?

Yes! You'll need an ink syringe, but it's pretty easy to do. We've got a detailed video blog post here: How to Refill a Fountain Pen Ink Cartridge.

Or here's a quick version of the video:

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.