If its a new tank then time is all you need. The brown is probably Diatom algae. It will run its cycle..... Brown, green then red it the typical order algae grows
Dakota9;80640 wrote: If its a new tank then time is all you need. The brown is probably Diatom algae. It will run its cycle..... Brown, green then red it the typical order algae grows
Dakota has a good point... if your tank is not yet established (less than 1-1.5years old) then you may not have enough life in the sandbed to support cleaners (ie stars, certian snails, sand sifting fish, etc).