They can expel a blackish substance which looks like black ink.
you can only get it from a squid... sorry... you cannot make a squid ink...
It's for their own protection - a way of repelling predators it blocks enemy sight so the squids can run
Squid use it for their defense mechanism.
NO!
You can refill you ink cardridge by taking it to various stores that refill cartridges. Wal-Greens offers to refill ink cartridges for a reasonably low price.
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