that sounds like iron oxidizing bacteria, did it look like this?: https://stock.adobe.com/search?k=%22iron%20bacteria%22 https://stock.adobe.com/search?k=%22iro

that sounds like iron oxidizing bacteria, did it look like this?: https://stock.adobe.com/search?k=%22iron%20bacteria%22 https://stock.adobe.com/search?k=%22iron%20bacteria%22