yeah, im out in west texas...midland. I dont even know if its my well water specifically, but i know of at least two other guys around here that have had the algae, but i also know of plenty that have not, so who know. The tpwd told me basically, after 20 years of studying, they still arent sure what causes it or how to fix it, lol I actually stocked it lightly again this weekend with a local fish truck, just to see if I can keep them alive through the winter, so we will see.