Hello,Im noob in freshwater aquarium.And new in this forum.
6 weeks ago i have started my first 90 gal aquarium .here is aqua foto:
http://public.fotki.com/v3jas/akvariumas/
Few weeks ago i noticed that
between front aqua glass and ground rised brown spots(they are only in front of aquarium).I have cleaned them.But after few days brown spots come back .
Here is brown spots foto

last ground cleaing was made 6 days ago)
http://public.fotki.com/v3jas/problem-algae/
Water parameters:
NO2 0.00;
NO3 10-20;
pH 7.8;
GH 14;Fe 0.1 ;Temp 77-80
Lights: 2X54W T5 ;2X38 T8
Fauna :19 Puntius Denisonii;3 SAE;15 Japonica scrims;3 ancitrus an few Otaciklus
Flora

ifferents plants
Need advice how to remove this from my aqua.