Fox Farm trio

Hi all I have an all I need serious answers only please. First off I am so so sorry for posting here if this is not right but... need serious help... K I am in my flowering stage and doing well was flowering with only aero nutes the whole way.. I now have the fox farm trio and no meters have been playing by looks.... K I know I know need a meter...simply not in the budget.. Question it says mix each with one gallon of water so do I need 2 ---1 gallon jugs and just put equal parts of both in my aerogarden for feeding or just one gallon jug of water and add both nuts to that and then to my garden I got grow big big bloom and tiger bloom I have some (tiny bit nut burn from aero nutes) I have fresh water in res now how long do i run that before i add the fox farm i do not want further damage. please help