By co-incidence I just got Peach flavouring , 4 oz supposed to be full flavour for 4 gallons, $9.50 from my local wine kit shop.
I just bottled a Tropical Lime, 3 gallons + some overflow bottles ,
13.6 ABV - final ABV after backsweetening to 1/3 cup per gallon sugar ratio. (.0208333)
Recipe...