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This is my experience, also. I use a similar media in my QT and have minimal copper absorption.Both Fluval BioMax and Seachem Matrix work really well in QTs while treating with copper. I tested BioMax and Humblefish tested Matrix, and we found them not to absorb copper and worked really well in a HOB filter to maintain good bio processing. Got a new Foxface going through QT in copper right now with BioMax and the copper levels are rock steady according to my Hanna HL Copper Checker. Profs again to @HotRocks for the research on the Hanna. It's so much less stressful on both the fish and me using the Hanna.![]()
Awesome!
Would you use the same biocubes in your DT after?
I toss them after meds/copper exposure. I do keep a bag filled with BioMax in my DT sump at all times and a foam pad for a bubble filter as well just in case they are needed to set up a QT quickly.Awesome!
Would you use the same biocubes in your DT after?
Sorry, not what I meantI would never move any media to DT after it was used in QT personally.
I was saying more in line with do you think it absorbed any copper that it will later leach.Got it. When done with a QT that's had copper in it, washing the tank, equipment, etc. with vinegar precipitates the copper into a harmless form. I would imagine that the BioMax could have a layer of copper on the surface, since it doesn't absorb it, and that surface layer could leach out the copper into the water of your DT. So rinsing or soaking in vinegar would take care of that possible issue.Sorry, not what I meantI was saying more in line with do you think it absorbed any copper that it will later leach.
Although I'm not certain, I suspect that biocubes may well be able to absorb cupramine. You might be better off with a "Sintered glass" biomedia, such as Eheim Substrat or Sera Siporax.
#reefsquad, any other options for @Preggy?
Welcome, by the way, to what I think is just about the best reef-related forum out there!
~Bruce

