Noodler's Ink - Year of the Golden Pig

Noodler's Year of the Golden Pig yellow highlighting ink has been formulated with "bullet-proof" qualities to make it impervious to water, bleach and light. Safe for fountain pens and refillable highlighter pens, this ink provides archival quality, is pH neutral and is 100% made in the USA. Includes a free eyedropper fill highlighter pen to save money and help the environment. Size: 4.5 oz dropper bottle.

Along with this bottled ink we recommend purchasing silicone grease to keep your eyedropper fill highlighter pen from leaking.

When should I refill my eyedropper pen?