Acclimation....

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high amonia

Interesting thread.. I still don't get why the amonia spikes after the bag is opened.... Anyone that can expain that?
 
Sealed bag: the fish respires co2 into the water. This drops the ph. The fish poos. But the low ph keeps the pollution in the form of harmless ammonium.

Open bag: co2, trapped in the water and held there by the pressure, gasses off quickly and leaves the water. PH then rises fast, causing non-toxic ammonium to become toxic ammonia.

This assumes non-chemist me has got the rises and falls the right way around: but this is what happens. It was ammonium, which doesn't smell and is harmless, and mutates rapidly to stinky, highly toxic ammonia.

(From the thread)
 
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