Hay, mommy, I feel you, ang stressful talaga pag ganyan ang poo poo ng baby! Honestly, switching formulas can take a week or two para mag-adjust ang tyan nila, pero 5x in one day sounds like di pa rin sila hiyang, lalo na kung consistent ang watery poop kahit after a few days. Since nag-adjust siya sa diluted ratio with NAN, baka worth trying din ang same trick with Promil, like 2oz scoop ratio first para makita kung mag-normal, then you can slowly go back to regular na, pero best talaga na i-check ulit with your pedia kasi bawat baby different ang tummy at possible rin na need ng ibang formula brand na mas gentle for her. One of my mum friends' baby din ganito eh, nag-try sila ng tatlong brands bago mag-settle sa isang na tumutulog sya ng maayos at normal ang poo, patience lang talaga! Galingan mo, you're doing great.