Hi Dark Star.
When I've weaned them off the bottle I've first made sure they can actually drink reliably from a beaker,we use Anywayup cups,but whatever you can get then drinking out of.Once I know they can I just stopped using the bottle.My youngest decided for himself around 11 months,I think it just took too long with a bottle and he realised the cup was much quicker and he'd get bored half way through his bottle.
The hardest one was my 5th,then 13 months at most,I used to feed her the bottle on my lap so I just switched the bottle for the cup but still did the feeding like a baby thing.She protested for a couple of days but after that would drink a little before accepting it wasn't so bad and just drank it anyway.It only took a few days to convince her and I felt very mean doing it,but bottles were soon forgotten
Maybe try giving the beaker at every meal.Will adding diluted fruit juice encourage her to drink more fluids,so she's getting used to the cup,so you know she can use them.It takes a bit of practice with a lot of sippy cups,but it doesn't take long,my youngest was drinking nothing but bottles at ten months,I thought he'd never manage the cup, and by the time he was 12 months the bottles were in the bin.He's now 13 months and has milk with his breakfast,juice mid morning,juice with lunch,juice mid afternoon and milk after tea.I don't want a baby with a drink in his mouth constantly but he's getting plenty of fluids plus the two cups of milk a day.
I think the later you leave it though the harder it is to introduce these changes.
