You technically won't ever need to start a new batch of FF. When your current bucket gets low, you just add more water give it a good stir, pour in some dry feed and VOILA! by the next day a whole new batch of FF! This is called backslopping and you can just continue on in this fashion for as long as you have chickens. If you do decide you need to start over for whatever reason, you still won't need ACV. Simply feed and water will get fermented in about 3-4 days.It's one of the small ones with the spinning bar in the middle from TSC, I am only getting eight chicks so I doubt I will fill it up and leave it sit, i'll most likely do multiple feedings.....in the future should I start a new batch of FF and leave out the ACV so I can feed it in the trough without worry? Thank you so much for the help I'm new to chickens and FF and I just want to give them the best from the start.