This happens (however rarely), even to established reputable bottlers. There are 4 normal bottles and 6 abnormal bottles here. – – The Microbiology section reported “Branching hyphae seen”. From my informal “Notes to self” – (I wasn’t a Microbiologist): “…Compared to what I usually see (in food or drink products with plenty of nutrients), there … Continue reading Mold in water bottles (unopened)