this is my new 3foot tank, it is still cycling and is obivously only in very early stages. i want to try planting it, and i doesnt have any kind of background yet and the water is tannin stained...
i have a lot of work to do with it yet so, be gentle.......
(crosses fingers.... please work)
i have a lot of work to do with it yet so, be gentle.......
(crosses fingers.... please work)
Anyways, nice tank! 
) ) But the reason why i say they raise nitrates is when the bacteria start to eat it, they will produce nitrates nitrites etc etc. But your tank may be able too cope with these.