Achilles and Powder Blue tangs are NOTORIOUSLY the least resilient to ich.
I wouldn't put the zeolites in there. It's stable as it is, and if water quality erodes, do water changes (IMO). You're over the hump now....
Glad to hear you're holding off a little longer. After what I went through, I was not in any hurry to risk a repeat.
Although, have you been feeding your display? If nutrients drop to nothing bacteria will die off in there, then there will be a spike when you add the fish back. Did you have any inverts in there? Probably not with triggers.
You may wanna add them in groups, the most sensitive first, triggers last--staggered a few days apart and watch for NH3/4 NO2 spikes. If you get them fattened up before adding, it will allow you to feed lightly during restocking, which will help prevent the bacteria from being overwhelmed and causing a spike.
Another thought.... (I did this as well) You may want to dose the tank with a high quality bacteria product like Bio Spira to help manage the big and fast increase in bio load again. Although a 350 is a pretty large volume, and will definitely provide some cushion.
Good luck!
I wouldn't put the zeolites in there. It's stable as it is, and if water quality erodes, do water changes (IMO). You're over the hump now....
Glad to hear you're holding off a little longer. After what I went through, I was not in any hurry to risk a repeat.
Although, have you been feeding your display? If nutrients drop to nothing bacteria will die off in there, then there will be a spike when you add the fish back. Did you have any inverts in there? Probably not with triggers.
You may wanna add them in groups, the most sensitive first, triggers last--staggered a few days apart and watch for NH3/4 NO2 spikes. If you get them fattened up before adding, it will allow you to feed lightly during restocking, which will help prevent the bacteria from being overwhelmed and causing a spike.
Another thought.... (I did this as well) You may want to dose the tank with a high quality bacteria product like Bio Spira to help manage the big and fast increase in bio load again. Although a 350 is a pretty large volume, and will definitely provide some cushion.
Good luck!