its not what you feed...as already said all food has no3 and po4....its how you feed
if your feeding frozen food cubes, after thawing rinse them in ro water this will cut down these levels dramatically, also only feed what your fish can eat
a little too broad of a question there, i can tell you ive spent close to $3000.00 on my 90 gal tank (150 gal total system volume) and that was with tank, stand, canopy, 2 sumps, skimmer, return pump, and power heads all given to me for free from the start
some german publication had and exclusivity contract with schumacher when he was still racing, does any one know if that contract is still in effect? or will we be able to see him talk on camera to the pit lane guys finally?