justine jones was left covered in huge sores and in agony after opening the bottle of tesco finest garnacha wine to celebrate her daughter 's birthday .
her mother jan jones had bought the bottle for granddaughter abi 's 18th birthday and they had poured a glass to toast the occasion .
the family were shocked when they inspected it further and found it contained a clear liquid which smelt of bleach .
the next day she was covered in huge sores and had to be referred to hospital .