Tank Sitter Dosing

[Madreefer]

I use some Zeovit additives and would like to continue while I am away for 12 days. So I figured that rather than trying to explain this many drops of this blah blah blah. Would it be alright if I put my premeasured additives all together in small unused pill bottles and tell the sitter to just pour it in the tank? Point of my question: will the additives clash with each other being stored in the same container and cause a negative effect on my tank or the inmates