This is a question with answer options. Goal: Mix Special Liquid to make Glow in the Dark Bouncy Egg

Which of the following methods is more reasonable for accomplishing this goal?

1). To mix the special liquid to make your glow in the dark bouncy egg, fill a glass with vinegar. Open up the highlighter marker to remove the ink cartridge inside. Put the cartridge in the cup of vinegar and let it soak for a few months.
2). To mix the special liquid to make your glow in the dark bouncy egg, fill a glass with vinegar. Open up the highlighter marker to remove the ink cartridge inside. Put the cartridge in the cup of vinegar and let it soak for a few minutes....I think the answer is
2).