What’s On This Rock?

Fishbrain
  • #1
Hello everyone,
I’m new here and In the process of starting a new 60 gallon freshwater planted tank. I’m currently in the middle of a fishless cycle. I went to an aquarium store to pick up some rocks to add to the tank two of the rocks I really liked had a yellow sponge/fungus I asked the guy at the store if the rocks were ok and he told me yea just rinse them off in some water to get the excess dirt off. I personally like the yellow stuff lol I just want to make sure it’s safe?
 

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Aqua 59
  • #2
How long has this rock been submerged for? If it was added dry, the stuff on it could be lichens.
 
Fishbrain
  • Thread Starter
  • #3
How long has this rock been submerged for? If it was added dry, the stuff on it could be lichens.

It was dry sitting in an open milk crate.

Hello everyone,
Picked up some rocks from LPS they were dry when I got them and I believe it’s lichen growing on the rock. I like how it looks the pet store said it was safe I just want to make sure. And is there a way to keep it alive or will it just die and rot in the tank.
 

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Aqua 59
  • #4
I'm not a hundred percent sure if it is, but if this rock does have lichens will rot and pollute the water. They are not aquatic and besides rotting, little pieces break off and get the water nasty.
 
Fishboy2000
  • #5
Drain the tank! The lichens will do great!
 

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