Mix following in a large bowl with a whisk:
2 Liters of boiling water (tip: if using clean, filtered water can take less than half boiling to make a warm mixture - don't have to wait 'till cools down)
1 teaspoon Baking Soda
2 teaspoons Sea salt (can also use table salt)
6 teaspoons Kool-Aid (with sugar) (In Europe: Hipp or Milupa Instant "Fruechte-Tee" Granulats)
cover with plastic wrap and leave out for instant use (refrigerated holds up to 3 days)
recipe for 1 liter water(1/2 tsp. baking soda, 1 tsp. salt, 3 tsp. Kool-Aid (Fruechte-Tee)