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![Hello, I have a problem with my tank, it seems like there is a very thin layer on top of the water. I dont know what it is and how it happened…. Hello, I have a problem with my tank, it seems like there is a very thin layer on top of the water. I dont know what it is and how it happened….](https://i.redd.it/dr87sloj3hc81.jpg)
Hello, I have a problem with my tank, it seems like there is a very thin layer on top of the water. I dont know what it is and how it happened….
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