02-08-2013, 11:00 AM
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Originally Posted by cocolodecorazon
So from reading the posts above I gather that the brown algae is nothing to really worry about. Just wipe it off and let the tank take its course. My tank has been cycling for about 5 weeks and the numbers are good: PH=8.2, Ammo, nitrita, nitrate=0, but yesterday I noticed that there were a couple of small spots where some brownish stuff was growing. I figured it was algae and part of the cycling process, so I just wipped it off and kept staring at the tank for about an hour. I only have 3 damsels, 1 blenny and couple of hermit crabs in it, but I am getting ready to start stocking it. Will it be ok to start?
If it comes off easily, it is likely diatoms. Diatoms, or commonly brown algae though not a true algae, are common in new tanks. It takes a couple months for a tank's biologicy to establish and settle.