Serves about 25 (adjust as needed)
8 cups fresh grapefruit juice
2 cups fresh lime juice
1 cup honey
1 cup warm water
3–4 cups tequila blanco (depending on how strong you like it)
4 cans sparkling water (I love grapefruit LaCroix, but any works)
Ice
For garnish:
sliced oranges, grapefruits, and limes
Himalayan pink salt for the rims of glasses
optional: tajin for the rims of glasses