Lumos - Spare Ink Reservoirs

Spare Ink Cotton Core Reservoirs for Your Lumos Pen

These high-quality cotton core reservoirs are designed to provide smooth and reliable ink flow, ensuring a seamless writing experience. Keep spares at hand so you can easily switch between colours without any hassle.

Lumos Duo and Mini Reservoirs

  • Pack of 5
  • Size: 6mm x 42mm


Lumos Single Reservoirs

  • Pack of 3
  • Size: 6mm x 85mm

We aim to process your order within 1-3 working days. Please note that this increases to 1-4 working days for orders that include any personalisation, such as engraving.

Shipping costs

Shipping costs are calculated at checkout.

Delivery times

  • UK: 1-2 business days
  • Europe: 3-5 business days
  • USA: 5-7 business days
  • Rest of world: 8-10 business days (duties may apply on delivery)

Please refer to our Delivery page for more information, and reach out to us at hello@tomsstudio.co.uk if you have any further questions.

Customer Reviews

Based on 44 reviews
93%
(41)
2%
(1)
5%
(2)
0%
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R
Raymond B.
Ink resovoirs

I use these to keep different coloured inks so I can alter for drawing.

K
Kristine J.

Useful when wanting to change colour. I changed my mini Lumos into a highlight pen now that I have 3 Wren pens for writing.

M
Martel F.

Love it! Means I change my ink colour like I change my mind!

A
Astrid B.
Proper working

These Reservoir work perfectly with my ink.

J
Jana S.
So easy!!!

These are so easy use! There isn't any cleanup and I love watching the Ink being absorbed!