I'm brand new to this and need some advice please!
I have x3 4.5 ltr demijohns about 4/5 full (about 3/4 of which I am guessing is liquid and the rest is the squashed grapes & pips etc). In addition there is 1 pack of yeast (Gervin GV2) and 1 500ml Ritchies Red grape juice concentrate and then...
