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Black Stuff On Rocks! What Is It? Question

Discussion in 'Freshwater Beginners' started by Skullkong101, Apr 17, 2019.

  1. Skullkong101Valued MemberMember

    What is this black stuff on the rocks? If wasn't there when I got them... Also I have no way of testing my parameters but guppy fry are thriving. (A guppy fry photobombed me if you look closey)

    Attached Files:

  2. CaptainAquaticsWell Known MemberMember

    Looks like some sort of algae :)
  3. RtessyFishlore VIPMember

    Can't really tell from the pic, possibly black beard algae?
  4. Skullkong101Valued MemberMember

    Is it harmfull?
  5. CaptainAquaticsWell Known MemberMember

    I don’t think so, I wouldn’t be worried :)
  6. Skullkong101Valued MemberMember

    Aight thanks!
  7. RtessyFishlore VIPMember

    Not to fish, but it can cause issues with some plants
  8. Skullkong101Valued MemberMember

    Hmmm... I plan to convert that into a heavily planted tank...