The THINK Tank
So I've had my 100 gal tank up for roughly six months, and my nitrates are still undetectable. I do a 15% water change about every month. I have a sump, some macro in the tank, reactor with carbon, 3-5" deep sand bed, and a Prizm skimmer (ha ha, I know). I remove about a 1/2 cup of hair algae...