Ive been wanting to do the same thing with various fruit and citrus wines Im developing since I don't want to use excess sugar. My best guess is UV lamps (used for surgical instruments). There are $30 ones that screw onto Nalgenes. UV also works by altering cell membranes and DNA to inhibit...
Just re started brewing. Have done a little stillin' and cider making in the past, just dry hopped my 3rd batch and its in the secondary. Looking very tasty. Im interested in building up a decent soda keg kegerator tap syst:tank:em.