What should i dose for these tanks?

stating you're confuzzled leaves me no way to un-confuzzle you. be more specific.
 
do you have measuring spoons?
 
check your kitchen for measuring spoons... then let me know if you have them.
 
what test kits do you have?
 
which tanks have co2 and how's it delivered to each tank? be very specific.
 
AquariaCentral.com