Does anyone know what this stuff is? It all over the driftwood, the tank is cycling so it is empty but I am worried about!

  • We are currently upgrading MFK. thanks! -neo
*Update* It’s still on my driftwood a little bit and it is even growing on mangrove roots decoration in the center of the aquarium; and that thing is not even made of wood, it’s some kind of poly/plastic! I will be stocking the tank soon and think everybody is going to be happy!
 
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