Rotten Milk

I purchased a box of Long life milk from pick n pay protea glen on on Sunday the 10/11/2024 on my arrival home I discovered that the milk is rooten.The same day I returned it and I got an exchanged .The next day upon opening the exchanged box I discovered the milk is rotten again.I felt disappointed and incovienced as my children needed to use the milk for cereal.and the fact that I need to drive for the second time to pick n pay to return the rotten milk.