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ocean rock
03-21-2011, 05:26 AM
why do i get a bit of green on my screen then it goes oily black . ?
OC

Floridays
03-21-2011, 06:08 AM
Im in the same boat as you are.
I believe Its because of the high nutrients in the tank.

SantaMonica
03-21-2011, 08:09 AM
Yes. The green will be near the strongest light and flow.