Juice currant using the steamer and then run the juice into a pot. Here you will find the best way to juice with the steamer.
Stretch 1 liter of currant juice with 250 ml of water at a time, add 450 g of jelling sugar (adjust the amount depending on how much currant juice you got from the currant), stir well and bring to a boil.
Bottle the juice immediately while it is still hot.