Originally Posted by
azfishgal
Is it brown or green? Hard to tell with the lighting. It's probably diatoms, it's normal for a new tank. It will go away on it's own with time, or with adding a clean up crew when the tank has cycled. My clean up crew (1 cleaner shrimp, several cerith and nasarius (sp?) snails and 3 emerald crabs) only took one week to clean everything up, including hair alge.
You can also shorten your lighting time during the cycle, to keep the algea from getting out of hand.
Edit: BTW, love your aquascape!
Its brown in colour. Roger that . have add in 9 hermit crab. even before the agale started.