35-Tap the reagents (6 empty vials) in your inventory.
35-You must mix together existing vial colors to obtain more colors.
35-Yellow + Red + OK button = Orange.
35-Yellow + Blue + OK button = Green.
35-Red + Blue + OK button = Purple.
Play games on the computer.
44-Do the formula as it shown. A+B+C+D+E+E+F+G+EAU
44-Solution : watch video time 9:25.

In your inventory:
45-Tap the Measuring Cup and tap the Beaker to create a concentrated Solution.
46-Tap the Concentrated Solution and Tap the Beaker to mix solution.
Go to the Primus Stove.

How to get the water