If you add new coral to a coral qt tank already in progress, aren't you risking transfering ick or MV to you MT--could it not come in one a new coral and be floating around and attach to a coral nearly done with QT? I am now just starting to do QT'ing after losing 9 out of 13 fish to MV. My fallow period ends in 2 weeks (Yeah!). I just started my coral qt tank. It's still cycling and yes, I had gotten some corals--was planning to have tank up and ready first but it didn't work that way. I put some rubble in a plastic food storage container under one level of egg crate, and some larger pcs in there as well. I also have rubble in the media chamber of the hob filter. I started with biospira and stability and prime to keep am and nitrites neutralized. I started with half tank water--I figure even if I have 2 weeks to go, the coral qt is fishless so nothing will survive as any bad stuff hasn't had any fish in almost the 76 days. I'm changing some water every day, and using some of the water change water from the MT.
I haven't decided how long. Seems some people do 10 days, some 8 weeks, some 76 days. I dipped them when they went in. Not sure if they need dipping every week, or before they go into main tank. i'm eager to see what others say. I've got a mix of corals in there now. I have a hob filter with a small media basket area that has room for bags instead of the stupid cartridges, a wave maker and an led light. Not sure if the light is enough or the flow enough. Might need another power head or wave maker.
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