At 2 months Byron had Aptamil cartons to top up BF during his spurt. At 3 months he had a bottle of expressed milk. He's not had formula or bottles since then and now he is waking earlier every day hungry so I want to top up his bedtime feed with formula. Four days now we've tried this. Before a feed, after a feed, in between feeds and during the day when he's less tired and grumpy. The before feed one he took two gulps then stopped. I'm sure the bottle is fine he just hates the formula. We're using Aptamil still but from the powder. Do the cartons and powder taste the same? Any suggestions? I'm reluctant to buy in all different packets of formula as it'll be such a waste of money. I hoped if he got hungry enough and I held out on him he would succumb byr so far I just have a screaming wriggling baby on my knee!