When he saw the blueish tint appear, he couldn't help but beam in relief and pleasure. The transparency followed and then... it stopped. The chemical reactions were done.

Maybe that extra Herbology studying I did helped somewhat? he wondered to himself as he waited for it to cool a little.

He carefully collected some of the potion into two of his empty and clean vials and labeled one. The rest he poured into a small flask.

After turning in his labeled sample, he cleaned his cauldron and equipment and sat down in his chair.

Fairly certain he had brewed the potion right and had remembered which flowers were what, he drank the potion from the unlabeled vial and waited for a few moments to see if he experienced any side effects...