on the contrary, it may be unpalatable, but not undrinkable... it wont produce methanol so is perfectly safe. a nice 5 gallon bucket of crushed black berries.some yeast sugar and a bit of water you got co2 for your tank and a nice glass of wine to enjoy while your watching your plants grow
Weird. Over here in Europe most 15 year olds wouldn't think twice about a couple of glasses.