Have you NOTICED this in old INSTANT COFFEE jars?!
Was this a fungus? The jar was always tightly closed, with no wet or humid spoons, etc., introduced, and always kept inside cabinets.
Have you ever experienced this?
Answers: Haven't been buying much instant coffee lately, but I remember that when I used to buy it up till a year ago, I would find out the remainder at the very bottom of it's original glass jar to have turned a dull black color and have even changed its appearance. IT REMINDED ME OF COAL OR BLACK CARBON PAPER.
Was this a fungus? The jar was always tightly closed, with no wet or humid spoons, etc., introduced, and always kept inside cabinets.
Have you ever experienced this?
that sounds grose,but cant help u much on what it is cause i dont drink coffee,but i would not drink that if I were you.
I know what you mean, and I think that it's just coffee oils . . . but it looks icky! :o)
Yes, I have. It's not a fungus. It's the powdery remains of the coffee, it starts to stick to itself with exposure to air and moisture in the air. It's not going to kill you or hurt your coffee.
That is gross. No, I don't drink instant coffee. How can you stand that?? I would think that it would've gotten moist somehow, and color leeched into the glass. Instant coffee tastes so bad, I don't know how it could not be somewhat harmful.