Good stuff or bad? That is the question.

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#1
Ok so now my live rocks and sand are getting some really neat looking stuff growing on them. Some looks like little red blisters and some are just pinkish red patches. Other colors I am seeing is a tan and a black patchy looking stuff. Are all of these types of algae? And most importantly are they good or bad?
 
#4
I will take photos in the morning. I work midnights and will be doing my testing in the morning as well. Thanks for all your help not just with me but to all on this forum. Priceless information.
 
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