Mars Close Approach happens about every 26 months. It is closely related to Mars Opposition and Mars Retrograde. Since Mars and Earth are at their closest, it's generally the best time to go to Mars. Many Mars missions have taken advantage of the close distance to visit the red planet.
At its most basic, switchel is water, cider vinegar, ginger and a sweetener (molasses, honey, sorghum, etc.). Rum, whiskey, brandy or hard cider can be added to give it a bit more oomph. Iâve seen some recipes, particularly in the south, that add cayenne pepper to the mix as a cold cure.
Whirlfloc Tablets - 10 count. A blend of Irish moss and purified carrageenan that help precipitate haze-causing proteins and beta glucans. Use one tablet per 10 gallons in the last 5 minutes of the boil.