02-04-2007, 10:46 AM
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Originally Posted by Tony
Hi, Just done 50% water change yes 0.8 missed the 0 lol
With the 50% WC and your readings IMHO you are back on track with respect to the ammonia concentration as well as the nitrite concentration (you may be on the decreasing ammonia concentration leg of the triangle).
Also IMHO I would keep testing and unless future readings predicate differently doing 25% weekly water changes until and subsequent to the tank cycling.
Frequent 50% WC's are necessary in emergencies but when a tank is cycling these changes disrupt the production of the digestive bacteria.