Feeding a 7 month old.....HELP!!!!!!!!!!?

my daughter is currently eating 2 6oz. formula bottles +3 4oz. bottles and 3 jars of food. stage 2. she also is able to eat very small peices of table food. the thing is now she is suposed to start juice and im giving it to her "watered down". but im lost on how to fit this into her feedings. also i think she is ready for stage 3 foods, she makes a good chewing motion even though she has no teeth yet. someone please help!!!