Hi! http://www.saudibi.com/files/image/pdf/conT6/100.doc I'm beekeeper from Poland. My mixture "lemon juice+sugar" 0,5 litre natural lemon juice + 0.5 litre sugar syrup (1:1) = 1 litre mixture (per 20 hives) application: dribbling 50ml (lukewarm) per hive (one box) or 5ml per comb varroa drop week a...