Sport Drink is an amazing small brand doing big things. They make electrolyte drink powders, handmade in the USA, using real ingredients: real cane sugar, real fruit powder, Baja Gold sea salt, magnesium glycinate, sodium bicarbonate, and potassium chloride. No Yellow 5, no artificial dyes, no stevia, no fake sugar. Just clean hydration in powder form. They have a strong point of view on sugar and aren't shy about it; I recommend reading their manifesto if you're curious.
Their flagship Sport Drink comes in Lemon Lime and Orange, and they also make Sport Energy, Sport Dream (a sleep formula), and a zero-sugar version if that's your thing. Check them out and enjoy the hydration.