Why not take a moment to introduce yourself to our members?

Please identifiy little worried

Thread starter Waldi313
Start date Nov 13, 2013

Waldi313

Experienced Reefer

Manhattan Reefs

Nov 13, 2013

#1

I have these black spots growing on sand and glass should I be worried

thirty6

Advanced Reefer

Manhattan Reefs

Nov 13, 2013

#2

Pic would help everyone help you ID what might be going on, if possible to upload one

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