I have not dosed vodka but I have dosed sugar. It is a more pure form for what they are trying to do. (says Randy Holmes Farley)And it worked short term.(I did it 1 or 2 times)
Oh my, Dr Ron must be :thinking: over this one, "Sand beds are not nutrient traps unless seriously mismanaged, in which case the problem is with the aquarist and not the sand. "