(Newbie here) is this algae okay for a goldfish tank?

  1. When I took this photo I only had the tank for 3 days, it had an air stone but it has a Hong over filter and it’s much, muchhh better

  2. I don’t know if that’s algae the picture is kinda vague. Algae itself isn’t bad at all. It helps a little with keeping water parameters good just like live plants I believe and goldfish like to snack on it

  3. Probably yes. Algae per se is usually not harmful, however it happens because high levels of light and “nutrients” such as ammonia nitrites or nitrates. If you are new just make sure you are informed about nitrogen cycle, water changes and testing water parameters

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