Moulded purity

I am very disappointed with their product. On the 2nd of this month I bought packs of their purity satchets and as i opened one it had a funny smell and i tasted it, it tasted sour so I poured it in a bowl, firstly it was watery and there was a green mould in it but the expire date is 05/12/22. I'm scared to open the ones that i have now.