Brain Test Level 312 (NEW) I need you to mix these two liquids

Daze Puzzle provides a complete walkthrough for "Brain Test Level 312: I need you to mix these two liquids.".

By Daze Puzzle /
Question
I need you to mix these two liquids.
Hints
Hint 1:
Shake it a while covering the tube.
Step 1
Answer
If you shake the bottle while covering its opening, you'll get a well mixed purple potion.