green algae or what???

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davidmaguirre

Aquarium Advice Activist
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Can someone please tell me what this green stuff is and if its an early stage of purple coraline or not? As soon as I started adding liquid calcium is when this started growing and my calcium level is 400..
 

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It`s not algea or coralline. But it`s hard to tell from the pic. Any chance of a better pic.
 
Hopefully this pic is a little better
 

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Rub it and see if it comes off easy the next time you do a water change. To me it looks like the start of coraline algae.
 
Ok so from this point of the coraline growth could I get a rough estimate on how long it would take to get the purple color?
 
It will depend on several things like calcium and magnesium, light cycle and probably a bunch of other things that will make it happen faster. Don't add purple up to me it is a waste, and I got some free.
 
Oh ok.. I add liquid calcium and also purple tech which is the same as purple up lol
 
I wouldn't add anything like that purple up stuff to your tank, and unless you need it I wouldn't be adding calcium either. Don't try to fix what ain't broke.

And it may never turn purple, it might be green coraline, who knows.
 
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