Sure! It‘s quite simple and straightforward.

All you need is (base 1 liter of water):

Water-Kefir (a type of Kefir that lives in water) - 6-7 spoons (non-metal!)

brown sugar - 50-60 grams

1 slice of lemon

some dry fruits like apricots, raisins or figs

All ingridients organic - for your and natures sake!

Keep it 48 hours in a air-tight jar - ready!