brown stuff due to bacteria adder ? + brown air lines

So we have had a tank for a while now, but never are able to get a fish, first it was not enough live rock, then ammonia never low enough. So we have been seeding our tank with some bacteria and it seems like there is brown crap growing on everything now, the plastic plants, the live rock, the substrate etc. Is it algae ? The air feed lines from the air pump are brown now as well.

What can we do to remedy this situation. It's been almost 2 months and looking at a tank full of rocks is starting to really get boring.

 

Shepido

tanks mature at varying rates, depending on many factors ( quality and type of rock/ sand, method used to cycle etc)
a tank at 2 months could be experiencing a diatom bloom ( its sometimes earlier than this but not always IME)

The diatoms feed on available silicates - and once the silicates are used up, the brown ?(which is actually the dead diatom) fades away and goes alltogether

give it another 4 weeks and you should find it will be getting close to how it did the day you set it up



Steve