Glow Ink Sac
minecraft:glow_ink_sacThe Glow Ink Sac is dropped by glow squids and is used to make sign text glow so it stays legible in the dark. It is also the key crafting ingredient that turns a regular item frame into a glowing item frame.
FAQ
How do I get a Glow Ink Sac?
Kill a glow squid; it drops 1-3 glow ink sacs per kill, with more possible when using a weapon enchanted with Looting.
What does a Glow Ink Sac do to signs?
Applying it to any sign or hanging sign makes the text glow with a colored outline that stays readable in low light, though it does not actually emit light. Using a regular ink sac on a glowing sign reverts it to normal text.
What else can Glow Ink Sacs be used for?
Combining a glow ink sac with a regular item frame in a crafting grid produces a glow item frame, which makes the frame and its displayed item appear illuminated.
Is there an advancement for Glow Ink Sacs?
Yes, applying a glow ink sac to any sign unlocks the "Glow and Behold!" advancement.