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Discussion Starter #1
There is a thin cloudy film on my water. It's a 10 gallon divided in two. There are currently a male and female betta on each side. I bleached & soaked my tank & all the décor in there three times but it came back. My fish are acting normally and don't seem to be affected. One male even blew a nest. I have well water that's a bit hard. I've tried 3 different conditioners to soften it to no avail. I'm placing them in separate jars with water from a different source today. Any ideas on what this is?
 

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It sounds like it is just bio film which is completely normal in low current betta tanks with nothing disturbing the surface tension. Nothing to worry about.
 

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It's normal and safe. Mine goes away for a couple of days after a partial water change, but always returns. If you really don't like it, some say you can run a paper towel over the surface to get it off. I don't really see the need for it, though.
 
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