so...i'm a beginner.
say i didnt want to have to buy yeast everytime i wanted to brew. could i use 90% of the yeast in my beer...save 10% and grow more from that 10%...i.e. could i just make some sugar water and have my little yeasties grow in my fridge?
say i didnt want to have to buy yeast everytime i wanted to brew. could i use 90% of the yeast in my beer...save 10% and grow more from that 10%...i.e. could i just make some sugar water and have my little yeasties grow in my fridge?