Ay, normal lang yan usually kapag nag-transition sa bagong formula, lalo na kung kapapalit lang talaga! One of my mum friends' baby also had dark greenish poop for a few days after switching to LFS26, and it settled down after a week or so. The watery consistency is also common during transition kaya don't panic yet, pero if it continues beyond a few days or if baby seems uncomfortable or dehydrated, better check with your pedia lang para sure, especially since poop changes can mean different things.