Quality of juice sold

I bought a bottle of “ Freshly Squeezed 100% juice in this store” packed on-the open stall as you enter the premises of Checkers Sunninghill. I enjoyed the juice and went back the next day to purchase another two bottles, to my surprise both bottles were fermented and spoiled. As o didn’t have time to drive back to the shops i had to discard them and left disappointed. I was under the impression that there was a daily quality control conducted on products sold and I was left disappointed with the quality of the product and waste of my money. This is a concern and i hope it is being looked at.