Pris De Mousse translates to 'formation of bubbles' and perhaps that is how it got its name, as it is also works well in the secondary to help restart fermentation.
Lalvin EC-1118 Active Freeze-Dried Wine Yeast
Fermtech Auto Siphon - 3/8" OD
Red Pry-off Bottle Caps - Approx. 100
Hydrometer