making ACV

[Noodlynoo]

I read somewhere about making my own supply of ACV with a bottle containing the 'mother,' plus a bottle of rough cider.
Cant seem to find it again now.
Anyone know how I combine the two and in what percentages?
Thanks.

 

[jonalisa]

https://www.backyardchickens.com/t/...egar-acv-with-the-mother-for-pennies-a-gallon