Brown Algae?

[fishy55599]

what causes it and how to stop it coming back?

 

[fishy55599]

bump

 

[ian]

Brown algae (diatoms) is caused my small ammonia spikes, it will normally go on its own. Otocinclus like diatoms, however i would advocate in getting fish for this reason. When your tank matures a bit you shouldn't have problems with diatoms.

 

[fishy55599]

ok, so i dont need t do anything it will just go on it's own then?
i was thinking of getting sme ottos ayway as i hear they are active fish.