Identification HELP!

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Craigj247

Aquarium Advice FINatic
Joined
Feb 19, 2012
Messages
779
Location
Sri Lanka
I guys just noticed this slight film on my landscape... Is this a form of algae and is it harmful to my marine Eco system?
 
They are Diatoms and they are not dangerous at all, they just mean your aquarium is settling out and starting to cycle.
 
Ah that's good... Was getting a bit worried when I first noticed this... Thermos a bunch guys for setting my mind at ease...
 
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