first hi to all i have just started my new tank after some prick smashed the last one in brakw in 600L salt water i have no live stock in there as its been running 3 weeks my nh3 anh nh4 are a little up at around 0.15 no2 in at 0.25 no3 5.0 i have a good skimmer that will do well over 600L and...