Godsdog
Landlord.
Just stumbled across this and after reading it I have to ask the question has anyone on here ever introduced formic acid to a brew as apparently it is lemon flavoured and can be purchased quite cheaply
http://www.express.co.uk/life-style...-bar-Sager-Wilde-cocktail-bugs-ants-ice-cubes
http://www.express.co.uk/life-style...-bar-Sager-Wilde-cocktail-bugs-ants-ice-cubes