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Sorry for surfacing an old thread but my first ICP results show sky high aluminum: 475 µg/l
I have three broken pieces of brightwell’s Xport brick in a 25 gallon aquarium.
Has there been confirmation that this brick leaches aluminum?
I just left for vacation (of course) got the results and have been researching.
Should I call someone to remove the bricks from my aquarium?
Ughh not how I wanted to start off this trip.
This may not be the case - but an ICP test cannot distinguish between ceramic dust (which is an alumina-silicate compound) and aluminum by itself / silica by itself. Which is like the difference between table salt and chlorine gas / sodium. Ceramic dust can be an irritant to certain corals but likely a short-term irritant. And like table salt not toxic. So if your bricks are broken up, ICP testing for dust in the water column is a likely possibility. Did the ICP test also indicate a high amount of silica? That would possibly confirm that it is dust rather than free aluminum.