[jus_sum_guy]

Originally Posted by photon

I'm getting a nice thin coat of brown algae on everything now, well not everything, but the rocks in the middle, a couple of the plants, and on the tank decorations. On the glass too but I cleaned that.

Seems to be pretty normal for a new tank, I think I just completed my cycle because when I checked last the ammonia and nitrites were both at zero, but nitrates are still at zero too, probably because they're being eaten by the algae.

It's a 20 gallon tank with only 5 danios and the filter on full blast disturbing the surface, so I don't think it's a lack of oxygen that's causing the brown algae.

Should i wait for the brown algae to clear up before I start adding more fish?

http://www.thetropicaltank.co.uk/algae.htm