I have some ceramic rings, a bag of purigen and plants.
I used to keep and breed CRS SS in that tank but I moved them to my main tank because this one gets to hot as it is in a second floor. Just neos now.
Plants remove nitrate ammonia and other unwanted stuff as nutrients using the atmospheric co2 and as they are close to the light they grow quicker.... And look good:
There is more people planting HOBs:
http://www.plantedtank.net/forums/showthread.php?t=170324

I used to keep and breed CRS SS in that tank but I moved them to my main tank because this one gets to hot as it is in a second floor. Just neos now.
Plants remove nitrate ammonia and other unwanted stuff as nutrients using the atmospheric co2 and as they are close to the light they grow quicker.... And look good:

There is more people planting HOBs:
http://www.plantedtank.net/forums/showthread.php?t=170324