ok we are new to fishless cycling and the directions are very broad. we started the cycle on our 90gal last sunday(a week ago) we only used a declorinator to condition the water then we added our ammonia...which we needed alot more drops then the formula said to get it to 5ppm. anyways we havent had to add any more ammonia to the tank and it stayed at 5ppm for a few days and then we saw it drop alittle to 2-3ppm and then we tested for nirites and nitrates. we had both and as of last night we had 2ppm of ammonia, about 3ppm nitrite, and about 20ppm of nitrate. does this seem to be where we should be?