DD can go 2-3 hours without doing a wee, and so when she finally does one, its so big that I think the nappy can't absorb it all so she ends up leaking and I have to change pants everytime I change her. She's in Bumgenius during the day but recently, I've just been putting her in sposies. Is there a solution without having to buy anything? Other than TT, which we tried recently with no success