help with water

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  1. B

    Is Algae Causing My Water To Turn Green?!?

    My fresh water tank has raised my goldfish for years, they are massive and healthy. 3 boys and 1 girl. Lately, my water is starting to get a green tinge to it... is this caused from Algae or something else? The fish don't seem to be bothered, but I don't want it to turn into something that may...