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For a Tangayikan tank that I am starting, I will be using albino bushynose plecos. However, on the lace rock, there is lichen growing. I was told by my LFS that the lichen is bad for them, where as experienced Tangayikan keepers that have plecos in with their tanks with lace rock told me that it was fine for them. Can anyone please help me out to discern who is correct?? Thanks.

Troi

HI!

You should take the rock out and boil it to kill this stuff...
I have no idea if Lichen is good or bad, but I would not try to see which one is true...
Cheers
Yann

What you can spray off with a garden hose is enough. Provided there isn't too much left on the rock, I wouldn't worry too much about it.