Just opened our first bottle of ginger beer from this recipe. I thought that it hadn't carbonised but found out differently when the top came off with a bang and we had a fountain of bubbles. Must work on my bottle opening technique. A mild ginger beer I fed the mother with a full teaspoon of ginger and sugar but next will change the proportions of sugar syrup to ginger mother to make a sharper ginger flavour. Will add a tweak if this works as my plant will be ready to bottle another batch in 4 days.