Dosing a vodka & vinager mix

[Drazil]

Hi all

I'm looking for help on vodka & vinager dosing to reduce nitrate I have about 210gal setup that's including sump and external reeflo skimmer how do I mix the two meaning how many parts vodka to how many parts vinager. I also need to know how many ml of the mix should I be adding to my reef to start out and when to increase the dose please help!!

Cheers, ryan