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- Mar 6, 2016
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Picked up some matrix today for my QT tank. I was wondering if you can take it out and bleach it between QT treatments or should I just toss it and use new each time?
Just wanted to update..I use a mix of these two Fluval bio products. Works good. Small mesh bag, mix of the two products, soak with BioSpira. Sits on top of my foam pad in my Aquaclear HOB. Very clean water. Never noticed any absorption problems with copper. Ammonia? What ammonia?
I’m only using a reactor in order to conduct a stringent test, as it forces water through the Matrix. With a powerfilter or canister filter some of the water will go around the media, so absorption (if it occurs) should be less. I don’t think spreading the media out over the bottom of the tank will provide much benefit. You need to have water flowing through it in order for it to be useful for biological filtration.Do you think it makes a difference between running the media in a reactor? Like what you have going on in the test tank. Or spreading the media out over the bottom of the tank.
When nitrifying bacteria are exposed to copper, there is initial die-off. However, the survivors quickly adapt to the presence of copper and begin to propagate a copper resistant strain.If on the one hand the sintered glass media does not remove the copper from the water column, on the other, copper has a broad bactericidal effect, which may interfere with media colonization and its ability to control ammonia ... I think that it is not possible to rely too much on a biological filter subjected to the action of copper independently of the media, but I hope to be mistaken.