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Re: [APD] neglected tank
On 01/12/2011 18:42, RMGTBTS at aol_com wrote:
I was always of the opinion that you just could not do massive WC's without
endangering the fish. One day i was at the LFS and watched as a WC was
done in a 40 gallon tank which contained 6 big royal blue discus being
quarantined before sale. They took the water down to almost the top of their
dorsal fin, dumpen in some de-clorinator and filled the tank back up with tap
water. Since the fish were worth about $400 i guess that they were not
As long as the temp of the new water is pretty close, doesn't seem to
pH is also important. Each species varies on its tolerate on pH changes
though. But in the wild a flood would often come from up river and
dramatical alter the pH in a few moments.
So river species have a higher toleration to rapid pH changes.
200 Million years in the making...
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