My tank is around 5 months old .... was fishless cycled with die off from my 45lbs of live rock because it was uncured ..... my parameters are 0 ammonia and trites, about 10 trates, between 8-8.2 PH, and 1.025 SG ...... my filtration is the 45lbs of LR ... a CSS 65 skimmer and a fluval cannister...