Two types of white stuff... Good or bad?

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megrichardson10

Aquarium Advice Newbie
Joined
Jan 18, 2013
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2
I'm a newbie to this aquarium stuff, so I need some help with ID. Sorry if I should know what it is. I got my established aquarium from a friend. Now I notice this white stuff. One is white mold looking stuff growing on the LR. Then there is other white stuff (looks like a round ball with brown tips) growing on the LR too. I checked all of the levels today. All were within a good range. NO3 was a little high...not sure if that helps or not.

Both of the white things listed are shown in the picture. The ball looking on is directly in the middle. The cloudy white stuff is to the left of it.
 

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