I have the same browning on my marcorocks. Been cycling way longer than you. No other crazy algae growth and snails mow over it without removing.
Coralline algae is growing over it as well.
I think its just the natural color the rocks take on.
What are your params?
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Coralline algae is growing over it as well.
I think its just the natural color the rocks take on.
What are your params?
Sent from my Galaxy Nexus using Tapatalk 2
