I'm new to raising chicks and mine are 7 weeks old now. I am just hearing about adding apple cider vinegar to water now. I give my chicks some Sav-a-Chick powered probiotics from Tractor Supply and mix it in with their water each time. So it is ok to mix the probiotic powder and the ACV both in their water? Just wanted to make sure I'm not doubling up. Should I stop mixing in the probiotics and just add some ACV? Thanks!