ChemStack Puzzle

Please, meet ChemStack -- a simple easy-to-learn-hard-to-master puzzle game. It is on an early stage of its development, and appreciates feedback a loooot! Instructions: You have to mix substances in a tube to meet the demanded result shown on the right. Some demands may be achieved by simply pouring the given substances in the right order But most need substances you do not own and you have to mix them up, following the library of reactions at the top.