Description
Reviews
| Brand | - |
| Category | Stationery, Educational Electronics & Office Supplies / Pen Ink, Refills & Cartridges |
| Origin | - |
| Brand | GRASP |
| Ink Type | Oil-Based Permanent |
| Available Colors | 168 Unique Shades |
| Pack Options | Single Bottle or 48-Color Set |
| Bottle Volume | 15ml per unit |
| Drying Time | Fast-Drying Formula |
| Surface Compatibility | Paper, Plastic, Metal, Glass, Wood |
| Odor Level | Low Odor |
| Refill Method | Direct Drip or Syringe Application |
| Country of Origin | USA |
Anonymous
Mar 26, 2026
Rating: 5/5
Extensive color range
Impressed by the 168 color options. I was able to find a specific teal shade that no other brand offers. Will definitely reorder when I run low.
Anonymous
Mar 15, 2026
Rating: 5/5
Perfect for reviving old markers
I had a set of expensive markers that were drying out. This refill solution brought them back to life instantly. The color match for the navy blue was spot on.
Anonymous
Mar 06, 2026
Rating: 5/5
Artist approved!
As an illustrator, I go through ink quickly. These refills are cost-effective and the oil-based formula stays permanent on various surfaces without smudging.
Anonymous
Mar 05, 2026
Rating: 4/5
Great value for bulk sets
Bought the 48-color set for my design studio. Most colors are vibrant and flow well. One or two shades were slightly thinner than expected, but overall a great purchase.
Anonymous
Mar 05, 2026
Rating: 3/5
Good but messy if not careful
The ink quality is excellent, but you need to be very careful when refilling to avoid spills. Wear gloves! Once inside the marker, it works perfectly though.
Anonymous
Mar 02, 2026
Rating: 5/5
No more waste
Hate throwing away marker bodies when the ink runs dry. This solution lets me keep my favorite ergonomic markers forever. Easy to apply with the included dropper.
Q: Will this work on glass surfaces permanently?
A: Yes, once dried, the oil-based ink is permanent on glass. However, it can be removed with alcohol-based cleaners or acetone if needed before it sets completely.
Q: How long does the ink last after refilling?
A: Depending on usage frequency, a single 15ml refill can typically restore a marker for several months of regular use. Always cap tightly when not in use to prevent evaporation.
Q: Is the ink toxic if it touches skin?
A: While our ink is non-toxic once dry, we recommend avoiding prolonged skin contact during the refilling process. Wash hands with soap and water if contact occurs.
Q: Can this ink be used in water-based markers?
A: No, this is an oil-based formula specifically designed for oil-based permanent markers. Mixing it with water-based ink may cause clogging or poor performance.
Q: Do you sell refill syringes separately?
A: Yes, precision applicator syringes are available in our accessories section under 'Marker Tools'. They provide the cleanest refill experience.
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